ASU BIO 181 Exam 2 GRADE A+
Questions and Answers Verified Solutions
Latest Update 2026/2027
Question:
During DNA replication in the lagging strand there is production of this component?
Answer:
Okazaki fragment
Question:
How many "stop" codons exist?
Answer:
3
Question:
The double helix of DNA is wrapped about 1¾ times around which of these components?
Answer:
Nucleosome
Question:
Which enzyme unwraps the double helix?
Answer:
Helicase
Question:
In the ribosome, what is the name of the bond that links one amino acid to the next?
,Answer:
peptide bonds
Question:
List the two basic categories of nitrogenous bases in nucleic acids.
Answer:
purine and pyrimidine
Question:
In DNA, what does the nucleotide labeled as A pair with?
Answer:
Thymine
Question:
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
Answer:
True
Question:
How many hydrogen bonds are there between an A and its paired nucleotide?
Answer:
2
Question:
During mRNA maturation what is the name of the part of the mRNA that is removed?
Answer:
introns
, Question:
DNA replication in eukaryotes is sped up by multiple origins of replication.
Answer:
true
Question:
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to
end in order.
Answer:
initiation, elongation, termination
Question:
Which nucleotide is different in RNA compared to DNA?
Answer:
uridine
Question:
There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished
because the polyribosome is either or.
Answer:
free; membrane bound
Question:
In eukaryotic cells the start codon for protein synthesis is.
Answer:
Aug
Question:
Questions and Answers Verified Solutions
Latest Update 2026/2027
Question:
During DNA replication in the lagging strand there is production of this component?
Answer:
Okazaki fragment
Question:
How many "stop" codons exist?
Answer:
3
Question:
The double helix of DNA is wrapped about 1¾ times around which of these components?
Answer:
Nucleosome
Question:
Which enzyme unwraps the double helix?
Answer:
Helicase
Question:
In the ribosome, what is the name of the bond that links one amino acid to the next?
,Answer:
peptide bonds
Question:
List the two basic categories of nitrogenous bases in nucleic acids.
Answer:
purine and pyrimidine
Question:
In DNA, what does the nucleotide labeled as A pair with?
Answer:
Thymine
Question:
During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA.
Answer:
True
Question:
How many hydrogen bonds are there between an A and its paired nucleotide?
Answer:
2
Question:
During mRNA maturation what is the name of the part of the mRNA that is removed?
Answer:
introns
, Question:
DNA replication in eukaryotes is sped up by multiple origins of replication.
Answer:
true
Question:
RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to
end in order.
Answer:
initiation, elongation, termination
Question:
Which nucleotide is different in RNA compared to DNA?
Answer:
uridine
Question:
There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished
because the polyribosome is either or.
Answer:
free; membrane bound
Question:
In eukaryotic cells the start codon for protein synthesis is.
Answer:
Aug
Question:
