Teratogens are substances that
A) cause birth defects.
B) protect against infection.
C) prevent accumulation of cholesterol.
D) cause genetic disease.
A) cause birth defects.
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Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over
b (brown). D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what genotypes give you a white mouse?
a. BBdd b. Bbdd c. bbDD d. bbDd e. BBdd and Bbdd
The type of viral infection in which a virus enters a host cell and remains dormant in the host cell's chromosome is
a rare form of viral infection. a transgenic infection. a lytic infection. a systematic infection. a lysogenic infection
The function of adenylyl cyclase is to:
A. cleave PIP2 into DAG and IP3. B. stimulate the release of calcium from the endoplasmic reticulum. C. catalyze the conversion of ATP to cAMP. D. directly activate protein kinase A (PKA).
Vesicles from the ER enter the Golgi at the ______
(a) medial cisternae. (b) trans Golgi network. (c) cis Golgi network. (d) transcisternae.