Molting in crustaceans is controlled by
a. ecdysone.
b. the X organ.
c. MIH.
d. the Y organ.
e. all of these.
Answer: e
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DNA primase
A. creates a short RNA primer that is complementary to an RNA template. B. creates a short DNA primer that is complementary to an RNA template. C. creates a short DNA primer that is complementary to a DNA template. D. creates a short DNA template that is complementary to an RNA primer. E. creates a short RNA primer that is complementary to a DNA template.
Both Chagas' disease and African sleeping sickness are ________-borne diseases.
Fill in the blank(s) with the appropriate word(s).
The anterior pituitary gland receives hormone messages from the hypothalamus via ________.
a. a capillary network b. neurons that extend from the hypothalamus to the pituitary c. Schwann cells d. both a & b
You discover that the underlying cause of a disease is a protein that is now less stable than the non-disease-causing version of the protein. This change is most likely to be due to ________
(a) a mutation within a gene. (b) a mutation within the regulatory DNA of a gene. (c) gene duplication. (d) horizontal gene transfer.