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BIO ASU 181: EXAM 2 QUESTIONS AND ANSWERS 2024
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BIO ASU 181: EXAM 2 QUESTIONS AND ANSWERS 2024
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BIO ASU 181: EXAM 2Which enzyme unwraps the double helix? - ANSWERS-Helicase
In the ribosome, what is the name of the bond that links one amino acid to the
next? - ANSWERS-peptide bonds
List the two basic categories of nitrogenous bases in nucleic acids. - ANSWERS-
purine and pyrimidine
In DNA, what does the nucleotide labeled as A pair with? - ANSWERS-Thymine
During DNA replication is greatly reduced by enzymes that proof read the newly
replicated DNA. - ANSWERS-True
Which strand is produced more rapidly? - ANSWERS-Leading strand
During DNA replication in the lagging strand there is production of this
component? - ANSWERS-Okazaki fragment
How many "stop" codons exist? - ANSWERS-3
, The double helix of DNA is wrapped about 1¾ times around which of these
components? - ANSWERS-Nucleosome
How many hydrogen bonds are there between an A and its paired nucleotide? -
ANSWERS-2
During mRNA maturation what is the name of the part of the mRNA that is
removed? - ANSWERS-introns
DNA replication in eukaryotes is sped up by multiple origins of replication. -
ANSWERS-true
RNA synthesis, also called RNA transcription occurs in three phases. List them
from beginning to end in order. - ANSWERS-initiation, elongation, termination
Which nucleotide is different in RNA compared to DNA? - ANSWERS-uridine
There are two types of protein synthesis in eukaryotic cells. These two types can
be distinguished because the polyribosome is either or . - ANSWERS-free;
membrane bound
In eukaryotic cells the start codon for protein synthesis is . - ANSWERS-Aug
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