The most fundamental and important molecule that distinguishes living systems from nonliving matter
is ____.
a. DNA
b. deoxyribonucleic acid
c. glucose
d. fructose
e. a and b only
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.
Starchy foods in our diets, such as rice and potatoes, consist of many glucose molecules covalently bonded together to form
A. a simple sugar. B. a complex carbohydrate. C. a fatty acid chain. D. a triglyceride. E. a protein.
Which of these is designed by researchers to test only a single prediction of a hypothesis at a time?
a. controlled experiment b. experimental variable c. control group d. controlled variable e. experimental constant
Damage to mutator genes increase the likelihood of cancers because the gene products of the normal genes repair DNA
Indicate whether the statement is true or false