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) - 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) - Answer
Pyrimidine, Purine
A DNA double helix is formed through the interactions of which part of a nucleotide? (Ch. 16) -
Answer Nitrogenous base
Every cell in your body contains ______________ percent of your genome. (Ch. 16) - 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) - Answer Both molecules contain
one original strand and one new strand
Create the correct opposite strand for TGCACCA. (Ch. 16) - Answer ACGTGGT
Where is the information necessary to make a protein stored in our DNA? (Ch. 16) - Answer
Genes
The most important reason we study DNA is that it... (Ch. 16) - 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) - Answer DNA
For guanine to bond to adenine, it requires (Ch. 16) - Answer Base pairing
What does it mean for a gene to be expressed? In other words, what does "gene expression"
really mean? (Ch. 17) - Answer Information in a gene is made into a protein
, Within a stretch of DNA, one ______________ encodes for one______________. (Ch. 17) -
Answer Gene, Protein
Transcribe the following DNA sequence into mRNA: TGACCTGAA (Ch. 17) - Answer
ACUGGACUU
The protein, RNA polymerase, has which of the following functions? (Ch. 17) - Answer
Unwinding DNA and synthesizing a complementary strand to the template strand
Transcription of a gene has just finished. What happens next? (Ch. 17) - 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) - Answer Single strand
RNA
How does tRNA bring the correct amino acid to the translation complex for protein synthesis?
(Ch. 17) - 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) - Answer Inducer, Activator
Transfer RNA is produced from which of the following? (Ch. 17) - Answer DNA
The product of RNA polymerase is which of the following? (Ch. 17) - Answer RNA that will be
used in transcription
Both sickle cell anemia and cystic fibrosis manifest their specific diseases because: (Ch. 18) -
Answer Their mutations cause abnormal proteins to be produced
A nucleotide sequence was mutated during replication and the amino acid sequence changed
from His, Gly, Val, ... to His, Val, ... What was the likely cause of this change in amino acid
sequence? (Ch. 18) - Answer The three nucleotides encoding Gly were deleted in the
nucleotide sequence
Which of the following is NOT true of sickle cell anemia? (Ch. 18) - Answer The amino acid
substitution causes the hemoglobin protein to clump together causing misshaped red blood
cells.
Exam Questions and CORRECT
Answers
Which part of the nucleotide binds two nucleotides together to form a single strand of DNA?
(Ch. 16) - 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) - Answer
Pyrimidine, Purine
A DNA double helix is formed through the interactions of which part of a nucleotide? (Ch. 16) -
Answer Nitrogenous base
Every cell in your body contains ______________ percent of your genome. (Ch. 16) - 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) - Answer Both molecules contain
one original strand and one new strand
Create the correct opposite strand for TGCACCA. (Ch. 16) - Answer ACGTGGT
Where is the information necessary to make a protein stored in our DNA? (Ch. 16) - Answer
Genes
The most important reason we study DNA is that it... (Ch. 16) - 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) - Answer DNA
For guanine to bond to adenine, it requires (Ch. 16) - Answer Base pairing
What does it mean for a gene to be expressed? In other words, what does "gene expression"
really mean? (Ch. 17) - Answer Information in a gene is made into a protein
, Within a stretch of DNA, one ______________ encodes for one______________. (Ch. 17) -
Answer Gene, Protein
Transcribe the following DNA sequence into mRNA: TGACCTGAA (Ch. 17) - Answer
ACUGGACUU
The protein, RNA polymerase, has which of the following functions? (Ch. 17) - Answer
Unwinding DNA and synthesizing a complementary strand to the template strand
Transcription of a gene has just finished. What happens next? (Ch. 17) - 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) - Answer Single strand
RNA
How does tRNA bring the correct amino acid to the translation complex for protein synthesis?
(Ch. 17) - 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) - Answer Inducer, Activator
Transfer RNA is produced from which of the following? (Ch. 17) - Answer DNA
The product of RNA polymerase is which of the following? (Ch. 17) - Answer RNA that will be
used in transcription
Both sickle cell anemia and cystic fibrosis manifest their specific diseases because: (Ch. 18) -
Answer Their mutations cause abnormal proteins to be produced
A nucleotide sequence was mutated during replication and the amino acid sequence changed
from His, Gly, Val, ... to His, Val, ... What was the likely cause of this change in amino acid
sequence? (Ch. 18) - Answer The three nucleotides encoding Gly were deleted in the
nucleotide sequence
Which of the following is NOT true of sickle cell anemia? (Ch. 18) - Answer The amino acid
substitution causes the hemoglobin protein to clump together causing misshaped red blood
cells.
