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ASU BIO 181 Exam 2 (modules 7-12) with complete solutions 2024_2025
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ASU BIO 181 Exam 2 (modules 7-12) with complete solutions 2024_2025
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ASU BIO 181 Exam 2 (modules 7-12) withcomplete solutions 2024/2025
Draw the sugar in DNA and label the carbons as discussed in the lecture. Then
circle the carbon that is different in RNA. - ANSWER-...
Which enzyme unwraps the double helix? - ANSWER-Helicase
Which enzyme is used first to permit DNA polymerase III to begin replicating the
3' strand? - ANSWER-Primase
The double helix of DNA is wrapped around 1 3/4 times around which of these
components? - ANSWER-Nucleosome
In the lagging strand, the DNA is read from the parental DNA's 3' to 5' end. -
ANSWER-True
Which strand is produced more rapidly? - ANSWER-Leading Strand
During DNA replication in the lagging strand there is production of this
component: - ANSWER-Okazaki Fragment
For DNA Polymerase III to work, which of these components has to act first? -
ANSWER-Primase
DNA mutation is greatly reduced by enzymes that proof read the newly replicated
DNA. - ANSWER-True
Strands of the backbone of DNA are parallel. - ANSWER-False
, Uridine is a nucleotide in DNA. - ANSWER-False
Replication of DNA is semi-conservative. - ANSWER-True
The DNA polymerase that replicates the parental strand of DNA reads the parental
DNA from 5' to 3' and makes a new DNA strand from 3' to 5'. - ANSWER-False
DNA replication in eukaryotes is sped up by multiple origins of replication. -
ANSWER-True
Messenger RNA is double stranded. - ANSWER-False
The genetic code for the conversion of mRNA codons to proteins has
redundancy. - ANSWER-True
The light reactions produce ________ and ___ and this process also results in the
release of ______. - ANSWER-NADPH+H+, ATP, oxygen
The Calvin-Benson cycle takes in ________ and ___ from the light reaction and
also ______________ to make carbohydrates. - ANSWER-NADPH+H+, ATP,
carbon dioxide
The antenna system is in the _________ membranes. - ANSWER-Thylakoid
The most abundant protein in the world is called _______. - ANSWER-Rubisco
Protein synthesis changes the language of ___________ to the language of
___________. - ANSWER-nucleotides, amino acids
During mRNA maturation, what is the name of the part of the mRNA that is
removed? - ANSWER-Introns
Which sugar is present in RNA? - ANSWER-Ribose
List one type of post-translational modification. - ANSWER-Proteolysis,
Glycosylation, or Phosphorylation
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