Matching
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Match
the following cells (a-c) with the descriptions: a. | Eukaryotic cells only | c. | Both | b. | Prokaryotic cells only | | | | |
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1.
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Formed by the merging of other cells
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2.
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Contains organelles
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Match the following chemical formulae with their descriptions below. The
answer may be used more than once:
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3.
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monomer of a protein
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4.
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molecules that would combine to form fat
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5.
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groups that would be joined by phosphodiester bonds
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6.
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molecule that is purine
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Find
the correct label.
a. | Outer
membrane | d. | Intermembrane
space | b. | Inner
membrane | e. | Matrix | c. | Cristae | | | | |
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7.
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Which
is the correct label?
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a. | Transmembrane channel Protein | d. | Carbohydrate Chain | b. | Glycolipid | e. | Integral protein | c. | Cholesterol | f. | Phospholipid | | | | |
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8.
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Which
label matches this number?
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9.
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Which
label matches this number?
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10.
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Which
label matches this number?
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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11.
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When you put
hydrogen peroxide on an open cut, which equation describes the reaction most
accurately?
a. | 2 H2O22 = 2 H2O +
O2 | b. | H2O2 =
H2O + O2 | c. | 2 H2O2 = 2 H2O + 2 O2 and
a protein enzyme helps the reaction | d. | 2 H2O2 = 2 H2O + O2 and a
protein enzyme helps the reaction. | | |
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12.
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Which enzyme is
responsible for the synthesis of tRNA?
a. | RNA polymerase | b. | ribosomal enzymes | c. | RNA replicase | d. | ribozymes | | |
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13.
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In an experiment,
changing the pH from 7 to 6 increased product formation. This means
a. | the enzyme was a more active conformation at pH 6. | b. | the temperature must have decreased when the pH was
changed. | c. | this enzyme works best at a
neutral pH. | d. | None of the above is correct. | | |
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14.
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Chloroplasts can
make carbohydrate in the dark if provided with a. | hydrogen | b. | ATP and NADH and CO2 | c. | organic acids | d. | photons and CO2 | | |
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15.
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Which enzyme is
responsible for the synthesis of tRNA?
a. | RNA replicase | b. | RNA polymerase | c. | ribosomal enzymes | d. | ribozymes | | |
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16.
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Transcription
involves the transfer of information from
a. | DNA to an amino acid sequence. | b. | DNA to RNA. | c. | mRNA to an amino acid sequence. | d. | All of the above. | | |
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17.
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Enzymes a. | are biological catalysts | b. | are regenerated during the reaction | c. | increase reaction rates. | d. | a, b, c are correct | e. | none of the above is correct. | | |
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18.
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RNA
polymerase
a. | begins transcription at a prompter sequence and moves along the
template strand of DNA. | b. | is a ribozyme composed of snRNPs. | c. | is the enzyme that creates hydrogen bonds between nucleotides on the
DNA template strand and their complementary RNA nucleotides. | d. | is the enzyme responsible for the production of
ribonucleotides. | | |
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19.
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Cytoskeleton
consists of
a. | all of the above. | b. | microtubules. | c. | intermediate filaments. | d. | microfilaments. | | |
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20.
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The smooth
endoplasmic reticulum is
a. | cellular waste is packed. | b. | where secretory proteins are manufactured. | c. | the site of fatty acid synthesis. | d. | the place where amino acids are built. | | |
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