Bio 100 Exam 2 UPDATED ACTUAL Exam
Questions and CORRECT Answers
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
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
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
Questions and CORRECT Answers
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
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
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
