A patient had a severe hemorrhage, which has been stopped. The initial hematocrit test is normal. What would you predict for the hematocrit test taken the next day?
A. It will likely be higher, since homeostatic mechanisms will increase levels of erythrocytes.
B. It will continue to be normal, since the hemorrhage wasn't severe enough to affect the initial test.
C. It will gradually increase as the blood volume is restored.
D. It will likely be lower, since blood volume should increase, but erythrocytes take longer to be produced.
Answer: D
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A. Complex carbohydrates B. All of the choices are correct. C. Pectin D. Cellulose
A population of 1,000 individuals with an r = 1 per
individual per year in an unlimited environment will number __________, four years later. a. 1,000 b. 1,004 c. 4,000 d. 16,000 e. 40,000
The transfer of polypeptides into the ER is called ________ because the movement across the membrane is coupled with translation
Fill in the blank with correct word.
The breast cancer gene BRCA1 has a very similar sequence in humans, mice, and gorillas, due to its origination in a common ancestor. The BRCA1 genes in these species are examples of ________.
A. synteny B. paralogs C. orthologs D. polyploidy