Answer:
Metabolism
Explanation:
I had the same question
Which of the following represents a chemical change?
Select one: a. rocks being smoothed by rapid water movement b. the pink color of a rose c. iron's attraction to a magnet d. decomposition of stone due to acid rain
from the time of my beginning, my part was made of fibrous material called collagen, which is secreted by
Compared to fraternal twins, identical twins are _____ as likely to develop alzheimer's disease two times equally three times four times
Which term refers to a sperm count of less than 20 million/ml?
What are some factors that can regulate enzyme activity?
The type of cell division that creates two identical cells, each with 46 chromosomes is called _______________________.
The type of cell division that creates two identical cells, each with 46 chromosomes is called mitosis.
What is mitosis?
A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase. The cell's contents are typically evenly divided into two daughter cells with identical genomes after mitosis.
Mitosis can be compared to copying an instruction manual. Give two copies of each page, one to each of the two recipients. A cell copies each chromosome during mitosis and distributes one copy to each of its two daughter cells.
The copies must be flawless. No omissions or misspellings. If we don't, we could be unable to follow the directions, and anything might go wrong. Mitosis follows the same pattern.
Therefore, The type of cell division that creates two identical cells, each with 46 chromosomes is called mitosis.
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A cell with a predominance of rough endoplasmic reticulum is most likely ________. a cell with a predominance of rough endoplasmic reticulum is most likely ________. producing large quantities of carbohydrates for storage in the vacuole producing large quantities of proteins for secretion producing large quantities of proteins in the cytosol producing large quantities of carbohydrates to assemble an extensive cell wall matrix
A cell with a predominance of rough endoplasmic reticulum is most likely producing large quantities of proteins for secretion.
FURTHER EXPLANATIONThe endoplasmic reticulum is the organelle which is responsible for the modification of proteins synthesized by the ribosomes and the production of lipids. There are two sections of the endoplasmic reticulum: rough endoplasmic reticulum and smooth endoplasmic reticulum.
The rough endoplasmic reticulum is where the modification of proteins that will be transported out of the cell takes place. It is called “rough” because it looks like it is studded on its surface with ribosomes where proteins are synthesized. These proteins get modified in the rough endoplasmic reticulum through addition of side chains or folding. Phospholipids are also made in the rough endoplasmic reticulum. These are important components of cellular membranes. All the modified proteins and phospholipids are transported out of the rough endoplasmic reticulum to their destinations via the vesicles.
The smooth endoplasmic reticulum, meanwhile, is the site for carbohydrate, steroid and lipid synthesis. It is considered smooth because of the limited number or absence of ribosomes on its surface.
Producing large quantities of carbohydrates for storage in the vacuole
FALSE: carbohydrates synthesis is not a function of the rough endoplasmic reticulum; the rough endoplasmic reticulum modifies proteins that are for extracellular use.
Producing large quantities of proteins for secretion
TRUE: this is exactly what the rough endoplasmic reticulum does.
Producing large quantities of proteins in the cytosol
FALSE: protein synthesis happens in ribosomes which are floating on the cytosol; proteins on the surface of the rough endoplasmic reticulum are transported outside the cell.
Large quantities of carbohydrates to assemble an extensive cell matrix
FALSE: carbohydrate synthesis is not a function of the rough endoplasmic reticulum
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Keywords: rough endoplasmic reticulum, protein synthesis
from where do the gems used in jewelry come?
A. They are non-metallic silicate B. They are metallic minerals C. They are non-metallic minerals D. They are metallic ore
The gems commonly used in jewelry come from mining efforts and are usually classified as non-metallic minerals.
Jewelry uses a wide variety of gems and other valuable elements such as:
Sapphires EmeraldsGoldSilverTopazand many more. These gems and elements all have distinct properties and therefore classifications.
Gold and silver are considered metallic ore. They are mined and have properties of metals. One of these defining properties is that both gold and silver may be melted and used to produce other substances. However, though they are used in jewelry, they are not considered to be gems.
Gems in jewelry are those that cannot be melted into other substances and have only a dull, submetallic shine, except the diamond. Gems are unique and desired for their colors. Their lack of shine comes from their relatively low refractive index. This is a property common to nonmetallic minerals. Therefore option C is correct.
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Which of the following is NOT a benefit of GMOs They can resist disease. They require less fertilizer. They grow faster. They create superweeds.
Answer: They create superweeds
Explanation:
The creation of superweed by genetically modified plants is not a benefit of GMOs. Superweed can be defined as the weeds that has become resistant to the effect of herbicides.
These weeds have become a problem for farmers as they occupy the space and nutrient and are also not removed by herbicide.
These weeds are produced by the genetically modified plants and crops which is not a benefit of it.
The one that is NOT a benefit of GMOs is they create superweeds and the correct option is option 4.
Genetically modified organisms (GMOs) offer several potential benefits. They can increase crop yield by making plants resistant to pests, diseases, and environmental stressors. This can help address food security challenges and reduce reliance on chemical pesticides.
GMOs can also be engineered to have enhanced nutritional value, addressing nutrient deficiencies in certain populations. They may require less fertilizer and water, contributing to more sustainable agricultural practices.
Additionally, GMOs can extend the shelf life of crops, reducing food waste. However, it is important to consider potential risks, such as environmental impacts and the need for proper regulation and safety assessments to ensure the responsible and ethical use of GMO technology.
Thus, the ideal selection is option 4.
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The small air sacs in the lungs through which gases are exchanged are the
What is the cause of the hyperpigmentation seen in people with cushing syndrome?
a. permissive effects of aldosterone when cortisol levels are altered
b. hypersensitivity of melanocytes with sun exposure
c. elevated levels of acth
d. abnormal levels of cortisol?
All organisms perform _____, whether or not oxygen is present.
A). Glycolysis
B). Aerobic respiration
C). Photosynthesis
D). None of the above
Answer: Glycolysis
Explanation:
Glycolysis is an universal process which takes place in all the organism from bacteria to humans. It can occur whether oxygen is present or not. It is the first step of cellular respiration that takes place in cytosol.
During glycolysis, breakdown of the glucose into pyruvate occurs with the formation of two energy molecules of ATP and two NADH molecules.
Thus, the correct answer is option (A).
The main difference between desert and tundra biomes is _____. moisture content of the air limited topsoil amount of precipitation temperature
Answer:
temperature
Explanation:
An older female client tells the nurse in the clinic that she has a cystocele that was diagnosed a year ago. she has urinary frequency and burning on urination. the client asks, "the primary healthcare provider wanted me to have surgery for the cystocele last year; but, i can manage with peripads. it won't hurt not to have surgery, will it?" how should the nurse respond?
Which of the following statements about the cells of any multicellular organism is true?
The same genes are expressed in each cell.
Almost all of the cells have the exact same DNA.
Each cell has completely different DNA.
Different genes are expressed in different types of cells.
Answer:
Almost all of the cells have the exact same DNA.
Explanation:
Certain drugs, known as angiogenesis inhibitors, are effective anti-cancer drugs because they cut off the blood supply to tumors. Without blood supplying fresh oxygen and nutrients to the cancerous cells, the tumors cannot survive. Given this information, angiogenesis inhibitors will be least effective in treating tumors in which kind of tissue?
a) epithelial tissue
b) connective tissue
c) nerve tissue
d) muscle tissue
The answer is A, you can't cut the blood supply because the epithelial tissue is on blood vessels and organs, so you can't cut it.
A(n) _____ includes all living and nonliving things in an environment.
A. community
B. ecosystem
C. population
D. landform
An ecosystem includes all living and nonliving things in an environment. Hence the correct option is b.
An ecosystem encompasses all living and nonliving components within a specific environment, working together as a functional unit. It includes not only the various plant and animal species (populations) present but also the physical factors such as soil, water, climate, and geological features (landforms) that interact with these organisms. Ecosystems are characterized by the flow of energy and the cycling of nutrients, with different species playing roles in these processes.
For instance, plants capture sunlight and convert it into energy through photosynthesis, herbivores consume plants, and carnivores prey on herbivores, forming complex food webs. Additionally, the nonliving components, like water and soil, influence the distribution and abundance of species. Ecosystems vary in size, from a small pond to a vast rainforest, but they all share the fundamental principle of interconnectedness, where the living and nonliving components interact and influence each other's dynamics. Understanding ecosystems is crucial for ecological studies, conservation efforts, and managing environmental resources sustainably. Hence the correct option is b.
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________ are the body's primary and most immediate source of energy. fats carbohydrates proteins
A pregnant woman is admitted to the hospital with a diagnosis of placenta previa. which action would be the priority for this woman on admission
Which statements could be categorized in the "Asexual" section of the Venn diagram? Check all that apply.
mitosis
diploid cells
two cell divisions
gametes
identical DNA
The right answer are : mitosis, diploid cells, and identical DNA.
The answers "two cel divisions" and "gametes" refers to a division by meiosis which is a sexual reproduction.
Asexual reproduction or asexual reproduction is a mode of reproduction, which - as opposed to sexual reproduction - corresponds to the capacity of living organisms to multiply alone, without a partner, without involving the fusion of two gametes of opposite sexes. Asexual reproduction is observed in multicellular (animal and plant) and unicellular organisms. In botany, the term often used for the asexual multiplication of plants is vegetative multiplication. In all cases of asexual reproduction, the result is identical to the mother.
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Which box depicts the simplest level of organization?
A) P
B) Q
C) R
D) S
You are dispatched to a 22 y/o male that crashed on his mountain bike and is c/o difficulty breathing. you arrive on scene to find the pt sitting up in the middle of the trail speaking in one to two word sentences and clutching the left side of his chest. upon further evaluation you discover that your pt has altered loc, bp of 110/76, hr 140 and tachypnea at 28 bpm. what state of shock is your pt in?
Why are unsaturated fatty acids particularly abundant in the cellular membranes of antarctic fish?
Antarctic fish have a higher proportion of unsaturated fatty acids in their cellular membranes to maintain membrane fluidity in cold environments.
Explanation:Antarctic fish have a higher proportion of unsaturated fatty acids in their cellular membranes because unsaturated fatty acids help maintain fluidity in cold environments. In cold temperatures, saturated fatty acids become compressed and make the membrane less fluid and more rigid, which can lead to rupturing. On the other hand, unsaturated fatty acids have kinks in their tails that elbow adjacent phospholipid molecules away, maintaining space between the phospholipid molecules and preserving membrane fluidity. This adaptation allows Antarctic fish to survive in the cold temperatures of their environment.
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Which obesity-related condition involves an abnormally high number of fat cells?
What types of movements do we see among the lipids in the membrane?
Visit the website below and use the information to answer the question that follows. On the About Forensic DNA tab, read the sections titled “About Forensic DNA” and “Basics of DNA Typing.” DNA Evidence Basics How can DNA be used to help solve a crime?
Forensic science is a branch of science that uses collected evidence to solve the case it can include the collection of DNA, blood samples, fingerprints etc.
How DNA can be used in solving crimes?DNA or the genetic material of every individual is different and unique. The region that varies in individuals can be employed in forensic sciences to solve the case.Crimes can be solved by DNA profiling that includes matching samples with the suspects or through a DNA database. Samples of hair, blood or hair at the crime scenes can be used for DNA extraction and profiling.Thus, variable sequences of DNA can be used in solving crimes.
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Which description best contrasts skeletal and smooth muscle tissue? Skeletal muscle tissue contains no bands, whereas smooth muscle tissue is streaked with bands. Skeletal muscle tissue stores energy and blood, whereas smooth muscle tissue controls movement. Skeletal muscle tissue regulates muscles attached to bones, whereas smooth muscle tissue regulates the heart. Skeletal muscle tissue controls voluntary movements, whereas smooth muscle tissue controls involuntary movements.
Skeletal muscle tissue controls voluntary movements and has a striped appearance, while smooth muscle tissue controls involuntary movements and lacks the striped appearance.
Explanation:The best contrast between skeletal and smooth muscle tissue is that skeletal muscle tissue controls voluntary movements while smooth muscle tissue controls involuntary movements. Skeletal muscle tissue forms skeletal muscles, which attach to bones or skin and control locomotion and any movement that can be consciously controlled. They are also characterized by their striped or striated appearance under a microscope due to the regular arrangement of contraction proteins. On the other hand, smooth muscle tissue occurs in the walls of hollow organs like the intestines, stomach, and blood vessels, and it controls involuntary movements. Smooth muscle does not have the banded or striated appearance because their cells are arranged in sheets instead of bundles, and each cell has a single, centrally located nucleus.
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What is the function of mitochondria in cells?
A.Storing water
B.Packaging proteins
C.Forming lipids
D.Producing energy
Energy production in cells occurs as a result of oxidative phosphorylation in the mitochondria.
The correct answer is D
What are the mitochondria's primary roles?Membrane-bound cell organelles known as mitochondria (mitochondrion, singular) produce the majority of the chemical energy required to fuel cellular metabolic operations.
What occurs if the mitochondria fail to function?The lack of energy in the cells is caused by damaged mitochondria. Damage is caused by the cells' accumulation of unneeded oxygen and fuel molecules. Different mitochondrial diseases can have different symptoms. It relies on the number of faulty mitochondria and their location in the body.
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Japan is the leading producer of farm-raised shrimp, offering a lower price than Americans who farm or catch shrimp for a living. Shrimp farming requires converting coastline estuaries into holding pens for the baby shrimp to grow in. What will be the long-term consequences for Japan if this industry continues to grow?
A. Increased growth in the near-shore fishing and crabbing industries of Japan
B. Increased estuarine diversity because of new predators
C. Decreased pollution of estuaries and coastal waterways.
D. Decreased number of fish species who use the estuaries
Answer:
D. Decreased number of fish species who use the estuaries
Explanation:
Although the doctors can find no physical reason for his symptoms, aaron reports that he is unable to feel anything with any part of his left hand from the wrist to his fingertips. aaron has a
a. neurocognitive disorder.
b. a physical problem due to compulsive hand-washing.
c. conversion disorder.
d. dissociative disorder.