In mitosis, the daughter cells have the same number of chromosomes as the parent cell. In meiosis, which produces sex cells, the daughter cells have half the number of chromosomes of the parent. The chromosomal differences in daughter cells produced in meiosis lead to genetic variation.
Explanation:The number of chromosomes in a daughter cell compared to the parent cell depends on the type of cell division. In mitosis, the daughter cells are identical to the parent cell and therefore, have the same number of chromosomes as the parent. The parent cell (2n or diploid) divides to give two daughter cells (each 2n or diploid) with 46 chromosomes each in humans.
On the other hand, in meiosis, which is a type of cell division that produces sex cells or gametes, the daughter cells have half the number of chromosomes as the parent. The parent cell (2n or diploid) undergoes one round of DNA replication followed by two nuclear divisions to give rise to four daughter cells (each n or haploid) with 23 chromosomes each in humans.
It's worth mentioning that the chromosomes in the daughter cells produced in meiosis are not identical to parent's due to independent assortment and crossing-over, leading to genetic variability.
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write a short paragraph about the five levels of organization
How does an enzyme affect the activation energy of an enzyme controlled reaction?
What is the largest planet in our solar system?
the largest planet in our solar system is Jupiter
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A 135-pound woman who is 38 years old needs how much protein?
a. 135 grams/day
b. 49 grams/day
c. 56 grams/day
d. 110 grams/day
e. 86 grams/day
The amount of protein a woman should get each day depends not just on age and weight. Her activity level must also be considered. A 135-pound woman who is 38 years old and assuming not pregnant needs (b) 49 grams/day if she is not very active or (d) 110 grams/day if she is very active.
The correct answer is option (B) 49grams/day.The recommended daily protein intake for a 135-pound woman is approximately 49 grams per day, based on the standard equation for protein needs. This aligns with option b from the provided choices.
To determine the recommended protein intake for a 135-pound woman who is 38 years old, we can use the equation provided.
(Weight in lbs. : 2.2 lb/kg)0.8 g/kg
First, convert the woman's weight from pounds to kilograms:
135 lbs. × 2.2 lb/kg = 61.36 kg
Next, multiply the weight in kilograms by the recommended amount of protein per kilogram:
61.36 kg imes 0.8 g/kg = 49.09 grams/day
Therefore, the average protein requirement for this woman would be approximately 49 grams per day, which aligns with option b. However, individual requirements may vary based on factors such as activity level, overall health, and specific dietary needs.
When you use alcohol and other drugs to function this is called?
The most important factor that causes ocean tides on earth is the __________.
The lower section of the pharynx that contains the esophagus and trachea is known as:
If a hole is torn in a cell's plasma membrane, the cell will die because if a hole is torn in a cell's plasma membrane, the cell will die because cells can only make more plasma membrane during cell division. it will not be able to undergo cell division. it will not be able to maintain differences between the cytoplasm and extracellular fluid. its chromosomes will not be held in place. germs are attracted toward cytoplasm leaking from a cell.
_____leaves have an interconnecting network of veins arising from a mid-vein
Answer:
Dicot
Explanation:
The veins present in leaves are arranged in a particular pattern in various plants groups. The leaves of dicot plants have many small veins that arise from the central conspicuous midrib. The veins arising from central midrib are interconnected to each other. These veins form a net-like pattern on either side of the midrib. This particular arrangement of veins in leaves of dicot plants is called reticulate venation.
Cells must pass through a critical checkpoint during which two stages of the cell cycle?
Cells must pass through a critical checkpoint during G1 and G2 stages of the cell cycle.
What are the characteristics of cell cycle?
A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.
The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage).
The cell cycle consists of a series of steps during which the chromosomes and other cell material double to make two copies. The cell then divides into two daughter cells, each receiving one copy of the doubled material.
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The ingredient that makes up the largest share of a food comes last in the ingredients list on the food label]
A patient is 2 days postoperative after having a permanent pacemaker inserted. the nurse observes that the patient is having continuous hiccups as the patient states, "i thought this was normal." what does the nurse understand is occurring with this patient?
A patient is 2 days postoperative after having a permanent pacemaker inserted. the nurse observes that the patient is having continuous hiccups as the patient states, "i thought this was normal." nurse understand is occurring with this patient Lead wire dislodgment.
What is the function of pacemaker of heart ?The natural pacemaker of heart sends an electrical impulse to heart to make heart beat, sinoatrial node is called as heart’s natural pacemaker.
The pathway of impulse transmission starts in a SA node which is a small bundle of specialized cells present in the right atrium, here the electrical activity spreads through the walls of the atria and contraction occur which forces blood into the ventricles.
Artificially a pacemaker is inserted by implanting a small electronic device is placed in the chest region to regulate slow electrical transmission problems with the heart, it is recommended to the patients with slow heart rate.
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Final answer:
Continuous hiccups post-pacemaker insertion could be due to misplaced electrical stimulation from the pacemaker leads, requiring medical evaluation for potential adjustment of the pacemaker's settings or placement.
Explanation:
When a patient is experiencing continuous hiccups postoperatively after the insertion of a permanent pacemaker, the nurse understands that this could be a sign that the pacemaker is incorrectly stimulating the diaphragm or nearby muscles, leading to hiccups. This misplaced stimulation can occur if the pacemaker's electrical leads are not positioned properly.
Continuous hiccups are not a normal postoperative symptom and warrant further evaluation by a healthcare professional. The pacemaker's settings or placement may need to be adjusted to correct the issue. The pacemaker's function is to deliver electrical impulses to the heart muscle, ensuring it contracts and pumps blood effectively. If the pacemaker stimulates other muscles, such as the diaphragm, further clinical intervention is required.
You are a carbon dioxide molecule floating in the air that is about to enter the stomata of a leaf. Tell the story of your adventure through photosynthesis in the leaf, and then through cellular respiration after the plant is consumed by a rabbit.
The ________ sense aids balance by judging direction and intensity of head movements.
Some of the most primitive organisms found in the fossil record are
Some of the most primitive organisms in these fossils are extinct. These already extinct organisms provide leeway of research for scientists to uncover what organisms roamed and came before what exists now. Also this provides evidence for the theory of evolution and how the mechanism, principles and processes that underlie this phenomenon has took place. Fossils are great finds in biological and evolutionary research in that they are one of the prominent evidence of how life came to be and the significant divergences of how environment has an effect to organisms’ survival.
________ are pyroclastic materials that are larger than ash but smaller than blocks or bombs
Alex is at a rock concert. when his ears send a signal to his brain that he has heard a sound, this process is most accurately called ________. but when he recognizes that the sound is his favorite song, this process is most accurately called ________.
Final answer:
Auditory stimulation refers to the initial reception of sound waves in the ear, converted to electrical signals sent to the brain, while auditory processing is the brain's interpretation of these sounds as familiar music, like a favorite song.
Explanation:
Alex is at a rock concert. When his ears send a signal to his brain that he has heard a sound, this process is most accurately called auditory stimulation. But when he recognizes that the sound is his favorite song, this process is most accurately called auditory processing.
Hearing is the physical process when the ear drums receive sound waves and convert them into electrical signals. These signals travel along the auditory nerve to the brain. This initial reception of sound is what we refer to as auditory stimulation. However, the auditory cortex has a far more complex role; it breaks down sounds into elements such as pitch and timbre, then compares them against stored memory associations and emotional responses. This higher-order processing and recognition of the sound as a specific song is known as auditory processing or hearing.
Explain why highly active cells have large numbers of mitochondria
It is found that the highly active cells have large number of mitochondria because they require large amount of energy which is produced through cellular respiration by the mitochondria of cell.
What is Cellular respiration?Cellular respiration is the process through which organisms use the atmospheric oxygen to break down food molecules to produce chemical energy for the cellular activities and various functions. Cellular respiration takes place in all the different organisms such as animals, plants, and fungi, and also in algae and other protists.
The highly active cells perform cellular respiration at a faster rate than other cells. These cells perform different functions and to meet the energy demand of the highly active cells, they contain large number of mitochondria.
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A recessive trait is observed when an organism has how many recessive genetic factors
A defective protein can be produced by a cell when a mutation has which of the following?
A defective protein can be produced by a cell when a mutation has occurred in either the DNA or the mRNA. If a mutation occurs in the DNA, it can lead to the production of defective proteins or no protein production at all. If a mutation occurs in the mRNA, it will only affect proteins made from that specific mRNA strand, and the production of defective protein will cease when the mRNA strand deteriorates.
Explanation:A defective protein can be produced by a cell when a mutation has occurred in either the DNA or the mRNA. If a mutation occurs in the DNA, it can lead to the production of defective proteins or no protein production at all. On the other hand, if a mutation occurs in the mRNA, it will only affect proteins made from that specific mRNA strand, and the production of defective protein will cease when the mRNA strand deteriorates.
It's important to note that the impact of mutations can vary. Some mutations may have no effect, while others can lead to significant changes in the structure and function of proteins. The specific consequences depend on the nature of the mutation, its location in the gene, and the role of the affected protein in cellular processes. Mutations play a crucial role in the diversity of life but can also contribute to genetic disorders and diseases.
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Name two ways that veins and arteries are different.
Arteries have thicker, more elastic walls for high-pressure blood flow, while veins have thinner walls with valves to prevent backflow and assist with blood return to the heart.
Two ways veins and arteries differ:
1) Thickness and elasticity: Arteries have thicker and heavier walls and are highly elastic, while veins have thinner walls and are less elastic.
2) Valves: Many veins have valves to prevent backflow, while arteries do not contain valves.
Arteries and veins are different in several ways, but two notable differences are their structure and function. Arteries have thicker walls with more elastic tissue to withstand the higher pressure of blood being pumped directly from the heart. In contrast, veins have thinner walls and, particularly in larger veins, are equipped with valves to prevent the backflow of blood and aid its return to the heart. Despite both having three distinct layers in their walls, their elasticity and the presence of valves are prime distinguishing features.
A butterfly can mate with another butterfly to produce fertile offspring only if the two butterflies belong to the same A) family. B) genus. Eliminate C) order. D) species.
the correct answer to this question is D.species
What are the six diet-planning principles for developing a healthy eating pattern?
The nurse is caring for a client with iron deficiency anemia that has decreased hemoglobin and hematocrit levels. the nurse expects to identify what other abnormal laboratory level?
Which taxonomic group includes kingdoms and all other levels of taxonomy
Although not yet aware of her pregnancy mrs. upton has conceived a single cell from the union of an egg cell and a sperm cell. this single cell is called a(n):
zygote cell. there you go
The time between the act of pollination and actual fertilization in the pine is about _____. 6 months 12 months 18 months 3 months
How to separate rice which contains small pebbles , husk and mud?
To separate the pebbles you should hand pick it, meaning-from the word itself, you don’t have to use any kind of instrument but your hand.
On the other hand, to separate the mud you can use decantation or sedimentation or filtration.
To separate the husk you have to use sieving.
Approximately how many bytes are in a kilobyte (kb)?
Match each type of rock with the way it is formed.
Tiles
1.pressure and heat
2.cooling magma
3.erosion and deposition
4.cooling lava
Pairs
intrusive igneous rock
extrusive igneous rock
sedimentary rock
metamorphic rock
Hey!
To solve this problem we must first determine how each type of rock is formed to then match the pairs with the tiles. Read the list below to find out how each rock is formed.
The Intrusive Igneous Rock.
When magma emits out from Earth, it takes the form of what we know to be a volcano. The magma that exits the ‘mouth’ of the volcano is lava. When the molten lava cools it becomes hard, almost as if it were a rock. So, since it practically forms a rock, this type of rock is known as an igneous rock.
Intrusive rocks form when magma cools slowly. This process soon results in the formation of large crystals. When exposed to the atmosphere lava cools rather quickly. This process forms extrusive rocks. The fast cooling creates smaller crystals and a smoother surface.
The Extrusive Igneous Rock.
When lava becomes cool, it then forms what is known as an extrusive rock. More often than not, maga doesn’t find its way out. The remaining magma then sits beneath the Earth’s surface and slowly cools. This then forms intrusive rocks.
The Sedimentary Rock.
When the rocks that are on the surface of the Earth begin to weather, they break into particles. Wind, water, and ice move the particles of rock and soil from one place. Then, they deposit them somewhere else through the process known as erosion. These particles are called sediments. The sediments are usually deposited on the surface of Earth, or at the bottom of rivers and oceans. Over time, sediments collect and begin to layer over the most recent layer. Finally, this leads to the formation of sedimentary rock.
The Metamorphic Rock.
Now, make sure to note that the word ‘metamorphism’ means the change of form. Metamorphic rocks are a result of past existing rocks changing form. This typically happens deep within the crust of the Earth. If igneous and sedimentary rocks are exposed to high temperature and pressure, they then become metamorphic rocks.
The lower layers of igneous and sedimentary rocks nearby are under high pressure from the weight of the layers above. Over time, the structure of these rocks changes to form metamorphic rocks.
Phew! Now that we know the basic information of how each of the types of rocks are formed, we can go ahead and match the tiles with there pairs.
The Intrusive Igneous Rock
↓
Cooling Magma
`````````````````````````````````
The Extrusive Igneous Rock
↓
Cooling Lava
`````````````````````````````````
The Sedimentary Rock
↓
Erosion & Deposition
`````````````````````````````````
The Metamorphic Rock
↓
Pressure & Heat
Hope this helped!
- Lindsey Frazier ♥