Please help me with this. *Also Please Note: This is ONE problem set and according to the policy, all questions should be answered. Thank you
Please help me with this. *Also Please Note: This is ONE problem set and according to the policy, all questions should be answered. Thank you
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
Related questions
Question
Please help me with this.
*Also Please Note: This is ONE problem set and according to the policy, all questions should be answered.
Thank you

Transcribed Image Text:Match the mutational source type to the most likely description below. Terms may be used more
than once.
A. alkylation
B. base analog
C. deamination
D. depurination
E. DŇA polymerase
J. thymine dimers
K. transposable
elements
error
F. intercalating agent
G. oxidative damage
H. replication slippage
I. tautomeric shift
spontaneous mutation during replication
the spontaneous isomerization of a base between keto and enol forms or between amino
and imino forms, possibly resulting in a mutation
a chemical that can substitute for a normal nucleotide base in nucleic acids; may cause a
mutation
covalent chemical modification of a base in one strand leads to mis-pairing and mutation
(there are many examples; at least one is given)
molecules (e.g., ethidium bromide) that may insert between bases in DNA, causing
frameshift mutation during replication
spontaneous chemical reaction of deoxyadenosine and/or deoxyguanosine in which the B-
N-glycosidic bond is hydrolytically cleaved releasing a nucleic base
conversion of amine to carbonyl group in cytosine changes it to uracil (bonds to adenine);
conversion of amine to carbonyl group in adenine changes it to hypoxanthine (bonds to cytosine)
conversion of amine to carbonyl group in 5-methyl cytosine changes it to thymine (bonds
to adenine); common mutation in CpG islands
natural process of DNA degradation caused by interaction with reactive oxygen species
caused by UV light; reversible mutation by the
strand slippage during replication can cause expansion or contraction of repeats in DNA
the movement of selfish DNA can cause mutations when the selfish DNA excises from a
genome, sometimes taking DNA with it, and inserts elsewhere in a genome, sometimes into
functional DNA such as that coding for protein.
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