1. The ability for a cell to differentiate into any other type of cell in an organism is referred to as what?
1 of 20
Other questions in this quiz
2. A complete gene, comprised of 37.5% introns, in a particular DNA section undergoes transcription, splicing then translation. The original DNA section was 1.728kBp long. What is the number of amino acids in the resulting polypeptide?
3. During transcription,  'unzips' the DNA strand and  moves in to create complementary . The DNA strand has only ~ bases separated during this process.
- 1: DNA helicase, 2: RNA polymerase, 3: pre-mRNA, 4: 10
- 1: RNA polymerase, 2: DNA helicase, 3: mRNA, 4: 20
- 1: DNA helicase, 2: RNA polymerase, 3: pre-mRNA, 4: 150
4. A hormone from question 24 is secreted from the alpha cells of the pancreas. What are its effects?
- It decreases blood glucose concentration by stimulating glycogenolysis and increased respiration rate, in addition to promoting cellular uptake of glucose.
- It increases blood glucose concentration by stimulating glycogenolysis and gluconeogenesis.
- It decreases blood glucose concentration by stimulating the uptake of glucose by cells, formation of new glycogen, formation of lipid stores and by increasing respiration rate.
5. During vasoconstriction...
- ...the arterioles feeding skin capillaries contract using C-muscles and the shunt vessels dilate
- ...the arterioles feeding the skin capillaries dilate by relaxing C-muscles, and the shunt vessel contracts
- ...the arterioles feeding the skin capillaries contract, and so do the shunt vessels.
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