Answer:
False.
Explanation:
The waste may be defined as any undesirable substance that left out after using the particular substance. The waste substance can be defined into two main classes - biodegradable and non biodegradable waste.
The one way to dispose out the waste product is the landfilles. The substance that cannot be degraded by any other means can be land filled. But this waste disposal method is not enough to contain the whole nation waste and all the waste cannot be land filled.
Thus, the correct answer is false.
A tissue has many layers and the cells have all kinds of shapes. They are columnar at the bottom, cuboidal in the middle, and squamous at the top. What would we call this tissue?
Answer: Transitional epithelium
Explanation:
Transitional epithelium is a kind of stratified epithelium which consists of multiple layers of epithelial cells which can expand and contract.
It lines the organs of the urinary system and is also known as urothelium.
The expansion and contraction of this tissue is to provide distension to the tissues. The shape of the transitional epithelium varies as it is columnar at bottom, squamous at top and cuboidal in the middle.
Imagine that you have found the remnants of a robin's egg on the ground. From your biology course, you know that this eggshell is composed of calcium. What else can be said of this eggshell?
Answer:
The birds are oviparous in nature and produces eggs that are hatched later by the parent. the egg hatching require proper heat and protection from the external enemy.
The egg shell is the hard covering of the egg of the bird that is made of the calcium. The egg shell protect the egg from the external environment. The calcium layer for the egg shell formation is obtained by the oseteoclast property of the cells.
In what way does the interior surface of a cell membrane of a resting (nonconducting) neuron differ from the external environment? The interior is ________.
Select one:
a. positively charged and contains more sodium
b. positively charged and contains less sodium
c. negatively charged and contains less sodium
d. negatively charged and contains more sodium
Answer: option C) negatively charged and contains less sodium
Explanation:
In the absence of any stimulus, a neuron is said to be resting. During this time, more positively charged potassium ions (K+) than sodium ions (Na+) occupy the interior of its cell membrane, whereas more sodium ions than potassium occupies the exterior - making the cell membrane to be electrically Polarized with net positive charge outside and a net negative charge inside the cell membrane.
Thus, the interior is negatively charged and contains less sodium ions
The interior surface of a resting (nonconducting) neuron's cell membrane is negatively charged and contains less sodium, an ion distribution effect of sodium-potassium pump.
Explanation:The interior surface of a cell membrane of a resting, nonconducting neuron differs from the external environment in that it is negatively charged and contains less sodium. This is because of the distribution of various ions across the neural membrane at rest, largely due to the action of the sodium-potassium pump and various ion channels. Sodium ions are more concentrated outside the neuron, while potassium ions are more concentrated inside. This uneven distribution creates the negative charge within the neuron.
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Two individuals both have depression, but they have experienced different genetic predispositions, different levels of self-esteem, and different affiliations with peers that have led to the depression. This is an example of____________.
Final answer:
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Two individuals both have depression, but they have experienced different genetic predispositions, different levels of self-esteem, and different affiliations with peers that have led to the depression. This is an example of differential susceptibility.
Explanation:
This example illustrates the concept of differential susceptibility, which suggests that genetic factors create varying degrees of responsiveness to environmental experiences in the development of conditions like depression. Two individuals with depression may have different genetic predispositions, levels of self-esteem, and social interactions, all of which can influence their susceptibility to depression. The interaction of these factors is key to understanding why even similar stressful life events can lead to different outcomes. Caspi et al. (2003) found that variations in the 5-HTTLPR gene, which influences serotonin levels, can make an individual more or less likely to develop depression after experiencing stressful events. This interaction between genetic makeup and environmental factors, known in part as the diathesis-stress model, explains why individuals have distinct experiences with depression.
When his husband turns out the light at night, Rodney cannot see anything at all in his bedroom. After a while his eyes adjust and he can see some shapes in the darkness of the room, but he cannot see any colors. Which sensory receptors are responsible for processing his ability to see objects in the darkness?
Answer:
rod photoreceptors
Explanation:
The retina of the eye has 2 types of sensory receptors or photoreceptors. They are the rod cells and the cone cells. The rod cells mostly found at the outer edge of the retina of the eye, which are numerous and more sensitive compared to the cone cells. The cone photoreceptors are found in the macula.
The rod photoreceptors are responsible for night vision mainly and function in dim light or less intense light, while the cone receptors are responsible for color sensitivity.
The rod photoreceptors are responsible for processing his ability to see objects in the darkness.
Minerals cana. be degraded by the body. b. provide energy. c. become part of the body structural systems. d. be destroyed during cooking.
Answer:
The correct answer is c. become part of the body structural systems.
Explanation:
The body requires many minerals which are called essential minerals. Minerals are important in proper body growth and development. They can become a part of body structural system, for example, calcium and phosphorus are the minerals which are required to form bones and teeth.
Some minerals help in signal transmission through nerves, for example, sodium and potassium. Some minerals are an important part of hormone for example iodine which is used to make thyroid hormone. Therefore the correct answer is c.
These structures are very large, blunt, irregularly shaped processes. The only examples in the human body are on the femur. What bone marking is being described?
Answer:
Trochanter
Explanation:
The trochanter is a lateral projection of the femur (the longest bone in the human body) in the upper part of the thigh, that is, an irregular and large prominence of the femur. The greater trochanter is a prominent and relatively easy to palpate structure belonging to the femur, and serves as an insertion to many muscles that participate in the movement and stability of the hip. The lesser trochanter is less prominent and impossible to palpate due to its internal situation, it serves as an insert for some muscles such as the iliac psoas, one of those in charge of hip flexion.
The globulins that make up part of the plasma of the blood have three distinct purposes. What are the gamma globulins?
The gamma globulins are Antibodies of the immune system.
Explanation:
These belong top the globulin class. These are used for the process of improving the immunity level of any person. These are developed form the cells of lymph glands and bone marrows. Hence when they are introduced into a person it will cause hepatitis C. They are the antibodies of Immune system.
Since they introduce hepatitis C in the person who receives this, when they are given along with blood, these are treated before introducing to the persons. they are generally used for improving the immunity level of any person and those persons who are infected by hepatitis A or measels.
Who would have been MOST likely to claim that a slight protrusion in a certain region of someone's skull would indicate that the individual had an optimistic personality?A. AristotleB. Santiago Ramón y CajalC. William JamesD. Franz Gall
Answer:
D. Franz Gall
Explanation:
Franz Gall was a German neuroanatomist and a physiologist. He began the study of the localization of mental functions in the brain.
Claimed the founder of PHRENOLOGY, i.e., the measurement of bumps on the skull to predict mental traits and personality.
Gall came with the idea that a someone's personality could be determined by the shape of their skull. So a slight protrusion in a certain region of someone's skull, changing the shape of it, would indicate that the individual had an optimistic personality.
This is one of the processes by which ATP is synthesized. In eukaryotes, it takes place in the mitochondria during cellular respiration and in the chloroplasts during photosynthesis. In prokaryotes, it occurs in the cell membrane.
Answer:
answer you looking for is i think Phosphorylation.
Explanation:
please ask the question more meaningfully
Answer:
chemiosmosis
Explanation:
I did the USA Test Prep
At the end of the electron transport chain, the electrons originally stripped from glucose combine with molecular oxygen to yield which compound?
Answer:
Water
Explanation:
Oxygen is the final electron acceptor in aerobic respiration. Moleculer oxygen is highly oxidizing agent and therefore a good elctron acceptor. At the end of electron transport chain oxygen accept electrons and combine with protons to form water. If a person is not breathing enough there will be not enough oxygen in the cells to accept electrons, ETC will stop and there will be no ATP production. A cell can't carry out its functions without ATP. Therfore cellular respiration is breathing, and breathing is life.
At the end of the electron transport chain, the electrons stripped from glucose combine with molecular oxygen to yield water.
Explanation:At the end of the electron transport chain (ETC) in cellular respiration, the electrons stripped from glucose during glycolysis and the citric acid cycle are transferred through a series of protein complexes and carriers in the inner mitochondrial membrane. These electrons ultimately combine with molecular oxygen (O2) to form water (H2O) through a series of redox reactions.
This process is known as oxidative phosphorylation and is a critical step in generating ATP (adenosine triphosphate), which is the primary energy currency of the cell. The energy released during this electron transfer is used to pump protons across the mitochondrial membrane, creating an electrochemical gradient that drives the production of ATP.
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When a person level of physical activity changes the circulatory system supplies body cell with amounts of nutrients and oxygen that are appropriate to sustain the new levy of activity. This statement illustrates the concept of
This statement illustrates the concept of Homeostasis.
Explanation:
When there exists an ability to balance between the internal factors and the external factors when there occurs a change in the environment is known as Homeostasis. It is the ability of balancing both the factors. It is present in human, plants and animals.
In human it is called as Homeostasis. and in animals and plants it is adaptation. This is very essential for the organisms to survive. Without this ability, all living organisms will face threat of death. Thus in the given statement the energy and the nutrients are supplied by the circulatory system in response to a change which is a physical exercise. thus it acts as an example of Homeostasis.
The correct concept illustrated by the statement is homeostasis.
Homeostasis is the ability of a living organism to maintain a stable internal environment despite changes in external conditions. When a person's level of physical activity changes, their body must adjust to meet the new demands for nutrients and oxygen by the cells. The circulatory system responds by increasing or decreasing the blood flow to various tissues, ensuring that cells receive the appropriate amounts of nutrients and oxygen to sustain the new level of activity. This is a classic example of homeostatic regulation, where the body's internal mechanisms work to maintain a balance, or homeostasis, in response to external stimuli or changes in physiological needs.
The circulatory system's response is mediated by several factors, including the release of hormones like adrenaline, changes in heart rate, and dilation or constriction of blood vessels. These adjustments ensure that tissues receive the necessary substances to perform at the required level of activity, whether it's increased during exercise or decreased during rest. This dynamic regulation is crucial for maintaining the body's overall equilibrium, which is the essence of homeostasis.
A plant cell is placed in distilled water, as shown in the figure. There is a net uptake of water by osmosis, causing the cell to become turgid. Select the correct statement about this setup, after the cell is fully turgid:_________A) The pressure potentials (ΨP) of the cell and its surroundings are the same.B) The water potentials (Ψ) of the cell and its surroundings are the same.C) Because the cell contains more solutes than the distilled water that surrounds it, the solute potential (ΨS) of the cell is higher than the solute potential of distilled water.
Answer:
The water potentials (Ψ) of the cell and its surroundings are the same.
Explanation:
When a cell is kept in hypotonic surroundings such as distilled water, the osmotic movement of water occurs towards the cell. The entry of water makes the cell swell up and it becomes turgid. Water potential is determined by solute and pressure potentials mainly. Here, the solute potential of the cell and the distilled water was different resulting in differences in their respective water potential values which in turn served as a driving force for endosmosis.
When the cell is fully turgid, the solute concentration of the cell and the surrounding distilled water become equal to each other. Under these conditions, the water potential of the cell and distilled water are the same.
What codes for proteins?
Answer:
gene
Explanation:
the genes that code for protein are made up of tri-nucleotide units called condons
Following carbon atoms around the Calvin cycle. The net reaction of the Calvin cycle is the conversion of CO2 into the three-carbon sugar G3P. Along the way, reactions rearrange carbon atoms among intermediate compounds and use the ATP and NADPH produced by the light reactions. In this exercise, you will track carbon atoms through the Calvin cycle as required for the net production of one molecule of G3P. For each intermediate compound in the Calvin cycle, identify the number of molecules of that intermediate and the total number of carbon atoms contained in those molecules. As an example, the output G3P is labeled for you: 1 molecule with a total of 3 carbon atoms. Labels may be used once, more than once, or not at all.
a. 3 molecules 3 carbon.
b. 6 molecules 18 carbon.
c. 6 molecules 18 carbon.
d. 5 molecules 15 carbon.
e. 3 molecules 15 carbon.
f. 3 molecules 15 carbon.
Answer:
Explanation:
The Calvin cycle represent the second phase of photosynthesis ( the dark phase of the reaction not because it is dark but because it not dependent on light). The ATP and NADPH produced in the light dependent phase used to synthesize glucose. The intermediates and there carbon content are stated below:
3 molecules of carbon dioxide total carbon = 3 carbon
6 molecules of 3-phosphoglycerate total carbon = 18 carbon
6 molecules of 1,3-Bisphosphoglycerate total carbon = 18 carbon
5 molecules of glyceraldehyde -3-phosphate total carbon = 15 carbon
3 molecules of Ribulose-5-phosphate total carbon = 15 carbon
3 molecules of Ribulose-1,5-bisphosphate total carbon = 15 carbon
Most mammals have diploid body cells and haploid gametes. During __________, chromosomes from haploid gametes combine, and a __________ zygote is formed.
Answer:
During fertilization, chromosomes from haploid gametes combine, and a diploid zygote is formed.
Explanation:
Fertilization is the union of the male gamete(haploid chromosomes) with the female gamete(haploid chromosome) to form a diploid cell called zygote (with diploid chromosomes).
The three-dimensional structure of macromolecules is formed and maintained primarily through noncovalent interactions. Which one of the following is not considered a noncovalent interaction?A) carbon-carbon bondsB) hydrogen bondsC) hydrophobic interactionsD) ionic interactionsE) van der Waals interactions
Answer:
carbon-carbon bonds.
Explanation:
The non-covalent bonds are not formed by the sharing of electrons between the bonded atoms. These bonds may be formed by some electrostatic attraction between the oppositely charged atoms or any other type of interaction. However, the carbon-carbon bonds are formed when there is a sharing of electrons between the two atoms of carbon. Each carbon atom has four electrons available for bonding. Two carbon atoms share their electrons to complete the stable configuration of the presence of eight electrons in the outer most shell. Therefore, carbon bonds are covalent bonds.
A nuclear reactor overheated, releasing radiation throughout the plant. A worker close to reactor received at least 800 rads and has had an onset of vomiting, bloody diarrhea, and, when brought to the hospital, was in shock. What is this patient's predicted survival?
a) Likely
b) Possible
c) Probable
d) Improbable
Answer:
Option d) Improbable
Explanation:
People in Improbable group have acute onset of shock, vomiting and diarrhea. According to Centers for Disease Control and Prevention (CDC) symptoms like that suggest patients are exposed to radiations which is lethal for them. These patients will not fall under the category of survivors.
What is the difference between heterotrophs and autotrophs
Answer:
Autotrophs can make there own food but heterotrophs are dependent on other organisms for getting food.
Explanation:
Autotrophs are the organism that is capable of synthesizing their own food for example plants which makes their food by using sun energy by the process of photosynthesis.
Heterotrophs are the organisms that are not able to make their food on their own and are dependent on others for getting nutrition for example animals.
Autotrophs are primary producers and heterotrophs are dependent on primary producers directly or indirectly to get nutrition.
The primary difference between autotrophs and heterotrophs lies in their methods of acquiring energy.
Autotrophs are capable of producing their own food through photosynthesis or chemosynthesis, typically using sunlight or inorganic chemical reactions to create organic compounds, whereas heterotrophs must consume other organisms or organic substances to obtain energy and the necessary nutrients for survival.
Autotrophs, such as plants and some bacteria, are fundamental to ecosystems as they synthesize organic molecules from simple inorganic substances like water and carbon dioxide. This process often involves photosynthesis, where sunlight is used, or chemosynthesis where chemical reactions are the energy source. This ability makes them the primary producers in food chains. On the other hand, heterotrophs, which include animals, fungi, and most bacteria, are consumers or decomposers that rely on the consumption of autotrophs (or other heterotrophs) for energy. They perform catabolism to break down complex organic molecules into simpler ones, releasing energy that is used for vital processes, including growth and reproduction. The relationship between these two groups is indispensable for the flow of energy within an ecosystem, positioning autotrophs at the base of the food web and heterotrophs at various levels above, depending on their diet.
What type of inheritance is shown in the pedigree?
a. sex linked dominant
b. sex linked recessive
c. autosomal dominant
d. autosomal recessive
Answer:
The answer is c. autosomal dominant
Explanation:
Distinction between dominant and recessive:
As evident from the pedigree, dominant traits never skip a generation. Recessive traits skip generations. If an affected individual has unaffected parents, the trait is recessive as one of them must be the carrier (heterozygous) but does not have the disease. Therefore, considering all the above criteria, this is definitely a dominant trait.Distinction between autosomal and X-linked Pedigrees:
Autosomal traits affect both males and females equally. X-linked recessive traits are more likely to affect males than females.X-linked dominant traits are more likely to affect females. But if a male is affected, all of his daughters will be affected but all his sons will be healthy.Considering above criteria, the trait is autosomal. Therefore, the pedigree represents an autosomal dominant trait.The type of inheritance shown in the pedigree is c. autosomal dominant.
What is the type of inheritance shown in the pedigree?In the given pedigree, the presence of the trait is observed in every generation, affecting both males and females. This suggests that the trait is not sex-linked.
Also, since the trait is present in individuals with affected parents, it indicates an autosomal pattern of inheritance. Furthermore, the trait is exhibited by individuals who have at least one affected parent, which is characteristic of autosomal dominant inheritance.
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Cancer is a multistep process usually occurring over many years. The first step in the initiation process is thought to be caused by_________.
Answer:
Answer is genetic mutation in the growth regulatory genes.
Explanation:
Cancer is a disease cause by accumulated damage occurring to genes or continuous division of abnormal cells in the body. This may occur due to exposure to substances that are cancerous.
It can be be treated by a method known as chemotherapy.
There are some food items that can lower the risk of cancer in the body. These include berries, nuts, carrots , broccoli among others.
Note that cancer can spread to other parts of the body through lymph system and blood.
The mosses and ferns both require water to enable the sperm to travel to the egg and fertilize it. Does this indicate that the ferns and mosses have a close relation to water plants? Explain your reasoning.
Answer:
Yes
Explanation:
Current evolutionary hypothesis state that all plants share a common ancestor. However, throughout time, as plants needed to colonize other habitats to survive, they were forced to develop specific adaptations, for example, the development of seeds, which enables them to be spread (by wildlife) and colonize many habitats.
However, seedless plants, still require humid conditions. This is the case of ferns and mosses. These groups of plants didn't (or haven't) develop complete independence from water, therefore they still need to be close to moist areas.
Therefore, ferns and mosses indeed have a close relation to water plants. I would suggest an even closer one than those plants that have developed seeds and better adaptations to live their whole lives in land.
Community constituencies of a local health department (lhd) include
the land mass in the geographic
region served by the LHD.
Plants release water vapor through their leaves; this process is called ________.
a. magnification
b. percolation
c. condensation
d. transpiration
e. evaporation
Plants release their water vapor that help them to make a balance in their inside as well as outside. Plants release water vapor through their leaves; this process is called transpiration.
What is the role of stomata in leaves ?The role of stomata in the leaves is the exchange of gases through it, at night the stomata gets closed and in day they are open.
Water loss through the leaves takes place through stomata when the leaves stomata are open at that time, the various water loss through the stomata when the stomata are open for the exchange of gases where oxygen is taken out in exchange of carbon dioxide that is taken out.
Transpiration is an essential process in the mechanism of plants where the role of transpiration is to provide the leaf balance also transpiration helps to maintain the temperature cooling within the atmosphere.
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In an analysis of the nucleotide composition of a double stranded DNA to see which
bases are equivalent in concentration, which of the following would be true?
a. A = G and C = T and A + C = G + T are both true.
b. A = G and C = T
c. A + T = G + C
d. A + C = G + T
e. A = C
Answer:
C) A + T = G + C
Explanation:Erwin Chargaff suggested the rule of the base pairing of DNA structure which is that purine binds pyrimidine or adenine binds thymine and guanine binds cytosine. The composition of adenine and thymine and guanine and cytosine equals 100 percent.
In the given question, since option C shows that A binds T and G binds C and their composition equals 100%, therefore, Option-C is the correct answer.
Thus, Option-C is the correct answer.
WILL BRAINLIEST
A student is examining leaf cells. Which organelle is most likely to be missing from the cells?
a cell wall
chloroplasts
centrioles
a cell membrane
Answer:
The correct option is C) centrioles
Explanation:
A centriole can be described as an organelle which is usually present inside a centrososme. It is absent in the plant cells but present in the animal cells. Hnece, the correct option is C) centrioles.
Opther options are not correct because a cell wall, chloroplasts, a cell membrane can all be seen in a leaf cell.
A food that results in a(n) _____ of nitrogen released from the body has a high biological value, meaning that the majority of the protein has been absorbed by the body
Foods with high biological value result in a decrease of nitrogen released from the body, indicating effective absorption of protein. Such foods are typically rich in essential amino acids.
Explanation:A food that results in a decrease of nitrogen released from the body has a high biological value. This means the majority of the protein in that food has been effectively absorbed by the body. Foods with high biological value are generally rich in essential amino acids that are not produced by the body, so they have to be acquired through diet. Examples of these foods include eggs, meat, and dairy products.
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A food with high biological value leads to minimal nitrogen waste as the protein is efficiently absorbed by the body.
Explanation:A food that results in a decrease of nitrogen released from the body has a high biological value, meaning that the majority of the protein has been absorbed by the body. When proteins are broken down during metabolism, nitrogenous waste is produced. Nitrogenous wastes are excreted from the body as they are toxic. The urea cycle is the primary mechanism by which mammals convert ammonia to urea for excretion. Overall, proteins with high biological value are those that are efficiently absorbed and utilized by the body, resulting in minimal nitrogen waste.
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Herpes zoster (shingles) is an infection of peripheral nerves arising from a re-activation of which primary childhood viral infection?
Answer:
CHICKENPOX
Explanation:
Varicella-zoster virus (VZV) causes chickenpox and herpes zoster (shingles).
CHICKENPOX follows initial exposure to the virus.
After the chickenpox runs its course, the virus retreats to nerve tissues near the spinal cord and brain, where it hides out.
Reactivation of the dormant virus results in the characteristic painful dermatomal rash of HERPES ZOSTER, which is often followed by pain in the distribution of the rash (postherpetic neuralgia).
Reactivation can be due to:-
1) A weakened immune system, which can wake the virus up
2) Cancer, HIV, or another disease that lower your body’s immunity
3) Being 50 or older
4) Being under a lot of stress
5) Past physical trauma
6) Taking long-term steroids or other medications that can weaken your immune system.
You are in a lab studying a newly discovered cell type. You observe a rigid cytoskeleton in this cell, along with a nucleus and a compartmentalized interior. How would you classify this cell?
Answer:
It will be classified as a possibly transitional cell from prokaryotic cell to eukaryotic cell.
Explanation:
The above classification was reached based on some facts. The prokaryotes are single cell organism while some eukaryotes are single celled and some are multi celled.
The presence of nucleus and the compartmentalized interior in the cell are characteristics of an eukaryote, and these are lacking in the prokaryote.
The rigid cytoskeleton is found in the prokaryotic cell, and its lacking in the eukaryotic cell.
So , this create the assumption that the cell is possibly transitioning from prokaryotic cell to eukaryotic cell.
Final answer:
The cell observed with a nucleus and a compartmentalized interior, along with a rigid cytoskeleton, is a eukaryotic cell, characterized by its complex internal structure and organelles enclosed by lipid membranes.
Explanation:
Based on the description of the cell with a rigid cytoskeleton, a nucleus, and a compartmentalized interior, would be classified as a eukaryotic cell. Eukaryotic cells are known for their complex structures, which include internal compartments such as the nucleus and other organelles like vacuoles, all of which are enclosed by lipid membranes. Additionally, the presence of a clear cytoskeleton is a defining feature of eukaryotes, providing structural support and facilitating cellular functions such as motility and division.
A massive cleaver is more effective for chopping vegetables than an equally sharp knife because of which of newton's laws?
Answer:
Newton's 1st Law
Explanation:
A knife is surely sharp but the cleaver requires less force as compared to the knife because of it's advanced design strategy. A knife can only chop one at a time but a cleaver is of more mass that means less force on a unit area is required to chop down the vegetables. If a arrangement of knives is so that they can perform simultaneously than they will require less time to get the jo done.
Final answer:
A massive cleaver is more effective due to Newton's second law of motion, as the greater force from the heavier cleaver results in more effective chopping.
Explanation:
A massive cleaver is more effective for chopping vegetables than an equally sharp knife because of Newton's second law of motion. According to this law, the change of motion of a body is proportional to and in the direction of the force acting on it. This means that when you use a heavier cleaver, the force exerted on the vegetables upon impact is greater, making it more effective in chopping through them, assuming both the cleaver and knife are equally sharp.