Bio 100 Exam 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
2026
Which part of the nucleotide binds two nucleotides together to form a single strand
of DNA? (Ch. 16) - Correct answer-Phosphate group
The term for a nitrogenous base with one carbon ring is known as
______________; while a nitrogenous base with two carbon rings is known as
______________. (Ch. 16) - Correct answer-Pyrimidine, Purine
A DNA double helix is formed through the interactions of which part of a
nucleotide? (Ch. 16) - Correct answer-Nitrogenous base
Every cell in your body contains ______________ percent of your genome. (Ch.
16) - Correct answer-100
Two double stranded DNA molecules are made from DNA replication. Which of
the following statements is true about the 2 new DNA molecules? (Ch. 16) -
Correct answer-Both molecules contain one original strand and one new strand
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,Create the correct opposite strand for TGCACCA. (Ch. 16) - Correct answer-
ACGTGGT
Where is the information necessary to make a protein stored in our DNA? (Ch. 16)
- Correct answer-Genes
The most important reason we study DNA is that it... (Ch. 16) - Correct answer-
Determines the function of the cell
The cellular information to make a protein is stored long-term as which type of
molecule? (Ch. 16) - Correct answer-DNA
For guanine to bond to adenine, it requires (Ch. 16) - Correct answer-Base pairing
What does it mean for a gene to be expressed? In other words, what does "gene
expression" really mean? (Ch. 17) - Correct answer-Information in a gene is made
into a protein
Within a stretch of DNA, one ______________ encodes for one______________.
(Ch. 17) - Correct answer-Gene, Protein
Transcribe the following DNA sequence into mRNA: TGACCTGAA (Ch. 17) -
Correct answer-ACUGGACUU
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, The protein, RNA polymerase, has which of the following functions? (Ch. 17) -
Correct answer-Unwinding DNA and synthesizing a complementary strand to the
template strand
Transcription of a gene has just finished. What happens next? (Ch. 17) - Correct
answer-mRNA is transported out of the nucleus to the cytoplasm for protein
synthesis
The final product of transcription is which of the following? (Ch.17) - Correct
answer-Single strand RNA
How does tRNA bring the correct amino acid to the translation complex for protein
synthesis? (Ch. 17) - Correct answer-The two features of a tRNA molecule, the
anti-codon and the specific binding of one amino acid, allows tRNA to bring in the
correct amino acid
When the ACTIVATOR and INDUCER are bound together, they bind to a region
of the promoter called the operator and signal that transcription should start.
The______________ senses the environment and binds to the ______________.
(Ch. 17) - Correct answer-Inducer, Activator
Transfer RNA is produced from which of the following? (Ch. 17) - Correct answer-
DNA
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Exam Questions and CORRECT Answers
2026
Which part of the nucleotide binds two nucleotides together to form a single strand
of DNA? (Ch. 16) - Correct answer-Phosphate group
The term for a nitrogenous base with one carbon ring is known as
______________; while a nitrogenous base with two carbon rings is known as
______________. (Ch. 16) - Correct answer-Pyrimidine, Purine
A DNA double helix is formed through the interactions of which part of a
nucleotide? (Ch. 16) - Correct answer-Nitrogenous base
Every cell in your body contains ______________ percent of your genome. (Ch.
16) - Correct answer-100
Two double stranded DNA molecules are made from DNA replication. Which of
the following statements is true about the 2 new DNA molecules? (Ch. 16) -
Correct answer-Both molecules contain one original strand and one new strand
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Create the correct opposite strand for TGCACCA. (Ch. 16) - Correct answer-
ACGTGGT
Where is the information necessary to make a protein stored in our DNA? (Ch. 16)
- Correct answer-Genes
The most important reason we study DNA is that it... (Ch. 16) - Correct answer-
Determines the function of the cell
The cellular information to make a protein is stored long-term as which type of
molecule? (Ch. 16) - Correct answer-DNA
For guanine to bond to adenine, it requires (Ch. 16) - Correct answer-Base pairing
What does it mean for a gene to be expressed? In other words, what does "gene
expression" really mean? (Ch. 17) - Correct answer-Information in a gene is made
into a protein
Within a stretch of DNA, one ______________ encodes for one______________.
(Ch. 17) - Correct answer-Gene, Protein
Transcribe the following DNA sequence into mRNA: TGACCTGAA (Ch. 17) -
Correct answer-ACUGGACUU
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, The protein, RNA polymerase, has which of the following functions? (Ch. 17) -
Correct answer-Unwinding DNA and synthesizing a complementary strand to the
template strand
Transcription of a gene has just finished. What happens next? (Ch. 17) - Correct
answer-mRNA is transported out of the nucleus to the cytoplasm for protein
synthesis
The final product of transcription is which of the following? (Ch.17) - Correct
answer-Single strand RNA
How does tRNA bring the correct amino acid to the translation complex for protein
synthesis? (Ch. 17) - Correct answer-The two features of a tRNA molecule, the
anti-codon and the specific binding of one amino acid, allows tRNA to bring in the
correct amino acid
When the ACTIVATOR and INDUCER are bound together, they bind to a region
of the promoter called the operator and signal that transcription should start.
The______________ senses the environment and binds to the ______________.
(Ch. 17) - Correct answer-Inducer, Activator
Transfer RNA is produced from which of the following? (Ch. 17) - Correct answer-
DNA
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