Transgenic animals are valuable in the study of human diseases for which of the following reasons?
A. They can manifest the same symptoms as human diseases.
B. They can be used to study the development and progress of human diseases.
C. They can be used to test drugs on.
D. They can be cloned and thus have identical genomes.
E. All of these are reasons why transgenic animals are valuable in the study of human
diseases.
E
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Growth hormone is a protein hormone that has effects on a variety of cells, including muscle, where it increases glucose uptake. If you could inject growth hormone molecules directly into muscle cells, what do you expect the effect would be?
A. The effect on glucose uptake would be amplified because a hormone molecule inside the cell is always more effective than one on the surface. B. The injected growth hormone molecules would have no effect on glucose uptake. C. Intracellular injection would decrease glucose uptake by muscle cells. D. Intracellular injection would increase glucose uptake by muscle cells.
Light enters the eye's interior through the __________, an adjustable opening in the center of the muscular, doughnutshaped
iris. Fill in the blank(s) with the appropriate word(s).
Why are people who have suffered a fatal cardiac arrest more likely to be tissue donors?
A) They are not willing to donate their full organs. B) Their families will incur less medical costs for tissue donation. C) Their organs are not needed for future transplants. D) Their organs may deteriorate due to the lack of oxygen.
Constipation can be treated by adding fiber to the diet.
Answer the following statement true (T) or false (F)