Biology, 11.03.2021 19:40 Richwave17
Insulin is a protein that maintains homeostasis in the amount of sugar in the blood. When there are high levels of sugar in the blood, cells in the pancreas generate more insulin and release it into the blood. This causes muscle cells and fat tissue to absorb sugar. When there are low levels of sugar in the blood, the production of insulin is slowed.
What is the most likely cause of the phenomenon described?
1. Glucose has a chemical reaction with blood cells to create insulin.
2. The expression of the insulin gene is regulated by blood glucose concentration.
3. Pancreas cells have more copies of the insulin gene than other cells.
4. The body has a surplus of insulin stored in the pancreas and releases it when needed.
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Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino
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Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.
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This rapid change in species that rarely leaves behind fossil evidence is referred to as
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