Module 1 TESTS Questions and
answers rated A+ 2025
1. mRNA (messenger RNA) moves into the cytoplasm.
2. tRNA (transfer RNA) moves amino acids to the ribosome.
3. Peptide bonds form between the amino acids.
4. DNA is transcribed to mRNA (messenger RNA).
5. The ribosome attaches to the mRNA (messenger RNA).
Using the above statements, which of the following represents the correct
sequence for protein synthesis?
Select one:
a. 2, 3, 1, 5, 4
b. 4, 1, 3, 2, 5
c. 4, 1, 5, 2, 3
d. 5, 1, 2, 3, 4 - correct answer ✔C
1. mRNA is formed.
2. DNA segment opens (unzips).
3. mRNA attaches to ribosomes.
4. Amino acids form peptide bonds.
5. tRNA carries amino acids to mRNA.
The correct order of events required for protein synthesis is:
Select one:
a. 1, 2, 3, 4, 5
,b. 2, 1, 3, 4, 5
c. 2, 1, 3, 5, 4
d. 2, 1, 4, 5, 3 - correct answer ✔c
A bacterial nucleic acid containing the human insulin gene is an example of
Select one:
a. a nucleotide.
b. an oncogene.
c. messenger RNA.
d. recombinant DNA. - correct answer ✔D
A cell which has large numbers of organelle labelled X is most likely
concerned with:
CELL-ANIMALK001
Select one:
a. destruction of toxins.
b. production of energy.
c. storage of waste materials.
d. packaging and export of materials. - correct answer ✔D
A function of enzymes is to
Select one:
a. emulsify fats.
b. carry information to nerves.
c. catalyze chemical reactions.
,d. maintain constant blood pH. - correct answer ✔C
A function of transfer RNA (tRNA) is to
Select one:
a. stay in the nucleus and be copied by DNA.
b. carry amino acids to the growing polypeptide chain.
c. copy DNA and carry the information to the ribosome.
d. read the codons and provide the site for protein synthesis. - correct answer
✔b
A lipid molecule is produced when
Select one:
a. fatty acids bond to glycerol.
b. amino acids bond to glycerol.
c. monosaccharides bond to glycogen.
d. dehydration occurs between fatty acids and glycogen. - correct answer
✔A
A polypeptide found in the cytoplasm of a cell contains 12 amino acids. How
many nucleotides would be required in the mRNA for this polypeptide to be
translated?
Select one:
a. 4
b. 12
c. 24
d. 36 - correct answer ✔D
, A role of mRNA in protein synthesis is to:
Select one:
a. form ribosomes.
b. form the protein's tertiary structure.
c. carry appropriate amino acids into place.
d. carry genetic information out of the nucleus. - correct answer ✔D
A shortage of available ATP would hinder a cell's ability to import
Select one:
a. water.
b. protein.
c. oxygen.
d. carbon dioxide - correct answer ✔B
A solution with a pH of 2 is:
Select one:
a. a strong base.
b. a strong acid.
c. neutral.
d. an alkali.
e. a weak base. - correct answer ✔B
A substance that combines with excess hydrogen or hydroxide ions in a
solution is called
Select one:
a. a salt.
answers rated A+ 2025
1. mRNA (messenger RNA) moves into the cytoplasm.
2. tRNA (transfer RNA) moves amino acids to the ribosome.
3. Peptide bonds form between the amino acids.
4. DNA is transcribed to mRNA (messenger RNA).
5. The ribosome attaches to the mRNA (messenger RNA).
Using the above statements, which of the following represents the correct
sequence for protein synthesis?
Select one:
a. 2, 3, 1, 5, 4
b. 4, 1, 3, 2, 5
c. 4, 1, 5, 2, 3
d. 5, 1, 2, 3, 4 - correct answer ✔C
1. mRNA is formed.
2. DNA segment opens (unzips).
3. mRNA attaches to ribosomes.
4. Amino acids form peptide bonds.
5. tRNA carries amino acids to mRNA.
The correct order of events required for protein synthesis is:
Select one:
a. 1, 2, 3, 4, 5
,b. 2, 1, 3, 4, 5
c. 2, 1, 3, 5, 4
d. 2, 1, 4, 5, 3 - correct answer ✔c
A bacterial nucleic acid containing the human insulin gene is an example of
Select one:
a. a nucleotide.
b. an oncogene.
c. messenger RNA.
d. recombinant DNA. - correct answer ✔D
A cell which has large numbers of organelle labelled X is most likely
concerned with:
CELL-ANIMALK001
Select one:
a. destruction of toxins.
b. production of energy.
c. storage of waste materials.
d. packaging and export of materials. - correct answer ✔D
A function of enzymes is to
Select one:
a. emulsify fats.
b. carry information to nerves.
c. catalyze chemical reactions.
,d. maintain constant blood pH. - correct answer ✔C
A function of transfer RNA (tRNA) is to
Select one:
a. stay in the nucleus and be copied by DNA.
b. carry amino acids to the growing polypeptide chain.
c. copy DNA and carry the information to the ribosome.
d. read the codons and provide the site for protein synthesis. - correct answer
✔b
A lipid molecule is produced when
Select one:
a. fatty acids bond to glycerol.
b. amino acids bond to glycerol.
c. monosaccharides bond to glycogen.
d. dehydration occurs between fatty acids and glycogen. - correct answer
✔A
A polypeptide found in the cytoplasm of a cell contains 12 amino acids. How
many nucleotides would be required in the mRNA for this polypeptide to be
translated?
Select one:
a. 4
b. 12
c. 24
d. 36 - correct answer ✔D
, A role of mRNA in protein synthesis is to:
Select one:
a. form ribosomes.
b. form the protein's tertiary structure.
c. carry appropriate amino acids into place.
d. carry genetic information out of the nucleus. - correct answer ✔D
A shortage of available ATP would hinder a cell's ability to import
Select one:
a. water.
b. protein.
c. oxygen.
d. carbon dioxide - correct answer ✔B
A solution with a pH of 2 is:
Select one:
a. a strong base.
b. a strong acid.
c. neutral.
d. an alkali.
e. a weak base. - correct answer ✔B
A substance that combines with excess hydrogen or hydroxide ions in a
solution is called
Select one:
a. a salt.
