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ASU BIO 181 EXAM 2.
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Exam of 6 pages for the course ASU BIO 181 at ASU BIO 181 (ASU BIO 181 EXAM 2.)
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ASU BIO 181 EXAM 2 (ASTERISKSINDICATE TRUE/FALSE QUESTION)
QUESTIONS AND ANSWERS
*Uridine is a nucleotide in DNA: - Correct Answer - False
Which nucleotide is different in RNA vs DNA? - Correct Answer - Uridine
*During DNA, replication is greatly reduced by enzymes that proofread newly replicated
DNA: - Correct Answer - True
*Replication of DNA is semi-conservative: - Correct Answer - True
Which sugar is present in RNA? - Correct Answer - Ribose
*The genetic code for conversion of mRNA codons to proteins has redundancy: -
Correct Answer - True
*DNA replication is sped up by multiple origins of replication: - Correct Answer - True.
Which strand produces more rapidly? - Correct Answer - Leading strand
In the ribosome, what bond links one amino acid to the next? - Correct Answer - Peptide
bond
Types of post-translational modifications: - Correct Answer - Proteolysis, glycosylation,
phosphorylation
If you have a eukaryotic cell with 3 chromosomes, how many 5' ends would there be? -
Correct Answer - Gap 1: 6 Gap 2: 12
What pairs with a codon? - Correct Answer - Anticodon
During DNA replication, in the lagging strand, there is production of this component: -
Correct Answer - Okazaki Fragment
How many hydrogen bonds are there between A and it's paired nucelotide? - Correct
Answer - 2
, During mRNA maturation, what is removed? - Correct Answer - Intron
For DNA Polymerase III to work, what must act first? - Correct Answer - Primase
In eukaryotic cells, what is the start codon for protein synthesis? - Correct Answer -
AUG
What are the 2 types of nitrogenous bases in nucleic acids? - Correct Answer -
Pyrimidine and Purine
*DNA Polymerase strand that replicates a parental strand of DNA reads the parental
strand 5'-3' and makes a new strand from 3'-5' - Correct Answer - False
In DNA, what does the nucleotide A pair with? - Correct Answer - Pyrimidine
*Strands of the backbone of DNA are parallel: - Correct Answer - False
How many stop codons exist? - Correct Answer - 3
The double helix of DNA wraps one and three quarters times around.... - Correct
Answer - Nucleosome
*RNA is double stranded: - Correct Answer - False
*In the lagging strand, DNA reads from 3'-5': - Correct Answer - True
List the order of RNA synthesis: - Correct Answer - Initiation, elongation, termination
There are 2 types of protein synthesis in eukaryotic cells... these types can be
distinguished because the polyribisome is either: - Correct Answer - Free or membrane
bound
Which enzyme is used first to permit DNA Polymerase III to begin replicating the 3'
strand? - Correct Answer - Primase
What language does protein synthesis translate to and from? - Correct Answer - From
the language of nucleotides to the language of amino acids
Which enzyme unwraps the double helix? - Correct Answer - Helicase
What is the most abundant protein in the world? - Correct Answer - Rubisco
The light reaction produces ____ and ______ and this also results in the release of
______. - Correct Answer - ATP
NADPH+H+
Oxygen
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