Question

1.NAD+ participates in reactions that produce
a.phosphorylation.
b. a CH2 group.
c. a C=O bond.
d. a C-C bond.
e. ADP from ATP.

2.The main compound used to release energy for metabolism is
a.NAD+.
b. sucrose.
c. ribonucleic acid.
d. glucose phosphate.
e. adenosine triphosphate.

3.Anabolic reactions are reactions that
a.use energy.
b. take place in the mitochondria.
c. use oxidation but not reduction.
d. give off energy.
e. break down large molecules into smaller ones.

4.The process by which complex molecules are broken down intosimpler ones for the body's use is called
a.glucogenesis.
b. catabolism.
c. metabolism.
d. anabolism.
e. gluconeogenesis.

5.In biochemical systems, the term reduction often refers to
a.a gain in oxygen.
b. an energy-releasing reaction.
c. a loss of hydrogen or electrons by a compound.
d. a loss of electrons.
e. a gain of hydrogen or electrons by a compound.

6.The codon is found on __________, and the anticodon is found on__________.
a.rRNA; tRNA
b. mRNA; rRNA
c. ribosomes; tRNA
d. mRNA; tRNA
e. tRNA; mRNA

7.When DNA duplicates itself, the correct placement of thenucleotides is accomplished by
a.base matching.
b. complementary base pairing.
c. polymerase.
d. enzyme matching.
e. transcription.
8.The base sequence of the strand of DNA complementary to thesegment
5'-T-G-G-C-A-A-C-3' is:

a.3'-U-C-C-G-T-T-G-5'
b. 3'-A-C-G-C-T-U-G-5'
c. 3'-A-C-C-G-T-T-G-5'
d. 3'-T-G-G-C-A-A-C-5'
e. 3'-A-C-C-G-U-U-G-5'
9.Which of the following will not be found in DNA?
a.ribose
b. adenine
c. thymine
d. guanine
e. cytosine
10.When a substance bonds to an enzyme for reaction, its place ofbinding is the
a.primary pocket.
b. allosteric site.
c. primary site.
d. end pocket.
e. active site.