The ____ gene is the only gene successfully targeted for breast cancer prevention
a. estrogen receptor
b. BRCA1
c. estrogen diethylstilbestrol
d. BRCA2
e. progestin receptor
ANSWER: a
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The presence of both thin-lipped and thick-lipped cichlid fish in Lake Apoyeque, Nicaragua, is a well-known example of _______.
a. allopatric speciation b. adaptive radiation c. sympatric speciation d. allopatric radiation
The type of connective tissue which stores fats and provides insulation is called
A. adipose. B. bone. C. cartilage. D. dense connective. E. blood.
Which cell organelle is responsible for the breakdown of fatty acids?
a. Golgi body b. ribosome c. mitochondrion d. lysosome e. peroxisome
Which of the following triggers the cell's passage past the G2 checkpoint into mitosis?
A) PDGF B) MPF C) cyclin D) Cdk