Which of the following is NOT true of
homeotic genes?
a. they control the development of body parts
b. they are highly conserved genes
c. they are specific to specific species
d. PAX6 is an example of one
e. they have been discovered by knockout
experiments
C
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Oxygen is used during a reaction if the process is:
A. oxygenic. B. anoxygenic. C. aerobic. D. anaerobic.
One function of the developing follicle is to ____
a. stimulate ovulation b. secrete progesterone c. secrete estrogens d. secrete gonadotropin-releasing hormone (GnRH) e. secrete glycoproteins, which promote sperm motility
If a proto-oncogene becomes damaged or undergoes a mutation, it may become a(n) ________ if it contributes to the development of cancer
Fill in the blank(s) with correct word
The structure that absorbs nutrients from the small intestines and delivers the nutrients in the blood to the liver is the
A. hepatic portal vein. B. hepatic portal artery. C. renal vein. D. None of the choices are correct.