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Bio 411 final Questions with Answers (100% Correct
Answers)
What is the order of processes that support the central dogma?
A. DNA replication, translation, protein synthesis
B. DNA replication, transcription, translation
C. Transcription, DNA replication, translation
D. DNA replication, translation, transcription Answer: B
Why aren't nucleosides incorporated into DNA?
A. The bases are not fully assembled.
B. The sugar is not in the right form.
C. There are no phosphates to make the phosphodiester bonds.
D. The peptide bonds don't form. Answer: c
Sometimes the sequence of DNA gets mutated and an adenine is
paired to a cytosine. Why is this interaction unstable?
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A. Because the phosphate groups of the two bases repel each other.
B. Because an ionic bond cannot be formed between the two.
C. Because the chemical groups that form hydrogen bonds are in the
wrong positions.
D. Because the charges on the bases repel one another. Answer: c
In the DNA of certain bacterial cells, 16% of the nucleotides are
adenine. What are the percentages of the other nucleotides in the
bacterial DNA?
A. 16% thymidine, 34% guanine, 34% cytosine
B. 34% uracil, 16% guanine, 16% cytosine
C. 34% thymidine, 34% guanine, 16% cytosine
D. 34% thymidine, 16% guanine, 34% cytosine Answer: a
The strands in a DNA molecule are: (choose all that apply)
A. antiparallel.
B. complementary.
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C. identical.
D. perpendicular.
E. covalently bonded to each other. Answer: A and B
What would happen if an enhancer sequence were mutated so that its
binding partner was always bound and recruiting the RNA polymerase
complex?
A. No transcription would occur as the site is now blocked to other
proteins.
B. Transcription wouldn't change.
C. No transcription would occur because the mediator complex could
not form.
D. Transcription would occur continuously. Answer: d
A template strand of DNA is read in the direction in order to direct
synthesis of RNA in the direction.
A. 3'-5'; 3'-5'
B. 5'-3'; 3'-5'
© 2025 All rights reserved
Bio 411 final Questions with Answers (100% Correct
Answers)
What is the order of processes that support the central dogma?
A. DNA replication, translation, protein synthesis
B. DNA replication, transcription, translation
C. Transcription, DNA replication, translation
D. DNA replication, translation, transcription Answer: B
Why aren't nucleosides incorporated into DNA?
A. The bases are not fully assembled.
B. The sugar is not in the right form.
C. There are no phosphates to make the phosphodiester bonds.
D. The peptide bonds don't form. Answer: c
Sometimes the sequence of DNA gets mutated and an adenine is
paired to a cytosine. Why is this interaction unstable?
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,2
A. Because the phosphate groups of the two bases repel each other.
B. Because an ionic bond cannot be formed between the two.
C. Because the chemical groups that form hydrogen bonds are in the
wrong positions.
D. Because the charges on the bases repel one another. Answer: c
In the DNA of certain bacterial cells, 16% of the nucleotides are
adenine. What are the percentages of the other nucleotides in the
bacterial DNA?
A. 16% thymidine, 34% guanine, 34% cytosine
B. 34% uracil, 16% guanine, 16% cytosine
C. 34% thymidine, 34% guanine, 16% cytosine
D. 34% thymidine, 16% guanine, 34% cytosine Answer: a
The strands in a DNA molecule are: (choose all that apply)
A. antiparallel.
B. complementary.
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, 3
C. identical.
D. perpendicular.
E. covalently bonded to each other. Answer: A and B
What would happen if an enhancer sequence were mutated so that its
binding partner was always bound and recruiting the RNA polymerase
complex?
A. No transcription would occur as the site is now blocked to other
proteins.
B. Transcription wouldn't change.
C. No transcription would occur because the mediator complex could
not form.
D. Transcription would occur continuously. Answer: d
A template strand of DNA is read in the direction in order to direct
synthesis of RNA in the direction.
A. 3'-5'; 3'-5'
B. 5'-3'; 3'-5'
© 2025 All rights reserved
