The basic unit of life is the ____
a. atom
b. molecule
c. organelle
d. cell
e. organism
ANSWER: d
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Given the locally unwound double strand above, in which direction does the RNA polymerase move while transcribing DNA?
A) ? along the template DNA strand B) ? along the template DNA strand C) ? along the nontemplate DNA strand D) ? along the nontemplate DNA strand E) ? along the double-stranded DNA
A(n) __________ is a hybrid, with two nonidentical alleles (Aa). Fill in the blank(s) with the appropriate word(s)
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A) transport histamine B) produce hormones related to fighting infections C) produce white blood cells D) return tissue fluid to the circulatory system