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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one of the molecules that would combine to form
fat
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5.
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groups that would be bond by phosphodiester
bonds
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6.
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molecule that is purine
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http://www.jdaross.mcmail.com/cell2.htm
a. | Transmembrane channel Protein | d. | Carbohydrate Chain | b. | Glycolipid | e. | Integral protein | c. | Cholesterol | f. | Phospholipid |
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7.
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Which label matches #6?
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8.
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Which label matches #1?
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9.
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Which label matches #5?
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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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10.
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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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11.
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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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12.
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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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13.
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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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14.
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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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15.
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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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16.
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RNA polymerase
a. | begins transcription at a promoter 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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17.
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Cytoskeleton consists of
a. | microfilaments. | b. | microtubules. | c. | intermediate
filaments. | d. | all of the
above. |
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18.
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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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