The oral contraceptive pill contains
a. estrogen only.
b. estrogen and progesterone.
c. estrogen and follicle-stimulating hormone.
d. follicle-stimulating hormone and progesterone.
e. estrogen, progesterone, and follicle-stimulating hormone.
B
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Pinocytosis and phagocytosis are accomplished in the cell by the ____
a. nucleus b. lysosome c. endoplasmic reticulum d. plasma membrane e. mitochondria
Which of these is currently considered the best definition of a gene?
A. A gene codes for either a polypeptide or an RNA molecule. B. A gene codes for a single enzyme. C. A gene codes for a single polypeptide. D. A gene codes for a single protein. E. A gene codes for a particular ribozyme.
Legislation that triggers sanctions at a certain BAC level is called "___" legislation.
Fill in the blank(s) with the appropriate word(s).
In E. coli, how does the mismatch repair system able to detect which of the two mismatched bases is "correct" and which is "incorrect?"
What will be an ideal response?