BSC 1010C Chapter 11, BSC 1010C Chapter 12, BSC1010C
Chapter 14 Questions With Complete Solutions
________ produces short sequences of RNA, which allows
polymerase to synthesize a new strand of DNA.
DNA primase
DNA helicase
DNA polymerase
DNA topoisomerase
DNA ligase Correct Answers DNA primase
____________ are made in replicating the lagging strand of
DNA, but are not made during leading strand DNA replication.
okazaki fragments
primers
nucleases
pyrophosphates
DNA polymerases Correct Answers okazaki fragments
A fundamental requirement for the functioning of genetic
material is that it must be
,conserved among all organisms with very little variation.
passed intact from one species to another.
accurately replicated.
found outside the nucleus.
replicated accurately over many millions of years of evolution.
Correct Answers accurately replicated.
A mutation causes a gene to become overactive, contributing to
uncontrolled cell growth. Which
term best describes this gene?
tumor-suppressor gene
oncogene
spliced gene
alternatively spliced gene
malignant gene Correct Answers oncogene
A single gene always encodes for an enzyme.
True/False Correct Answers False
, An organized unit of DNA sequences that enables a segment of
DNA to be transcribed into RNA and ultimately results in the
formation of a functional product is called a _______.
chromosome
trait
allele
gene
expression Correct Answers gene
Based on the gene and protein sequences that follow, what type
of mutation-polypeptide effect has occurred?
Normal gene: ATGGCCGGCCCGAAAGAGACC
Mutated gene: ATGGCCGGCACCGAAAGAGACC
Normal protein: Met-Ala-Gly-Pro-Lys-Glu-Thr
Mutated protein: Met-Ala-Gly-Thr-Glu-Arg-Asp
base addition - silent
substitution - missense
base addition - missense
substitution - nonsense
Chapter 14 Questions With Complete Solutions
________ produces short sequences of RNA, which allows
polymerase to synthesize a new strand of DNA.
DNA primase
DNA helicase
DNA polymerase
DNA topoisomerase
DNA ligase Correct Answers DNA primase
____________ are made in replicating the lagging strand of
DNA, but are not made during leading strand DNA replication.
okazaki fragments
primers
nucleases
pyrophosphates
DNA polymerases Correct Answers okazaki fragments
A fundamental requirement for the functioning of genetic
material is that it must be
,conserved among all organisms with very little variation.
passed intact from one species to another.
accurately replicated.
found outside the nucleus.
replicated accurately over many millions of years of evolution.
Correct Answers accurately replicated.
A mutation causes a gene to become overactive, contributing to
uncontrolled cell growth. Which
term best describes this gene?
tumor-suppressor gene
oncogene
spliced gene
alternatively spliced gene
malignant gene Correct Answers oncogene
A single gene always encodes for an enzyme.
True/False Correct Answers False
, An organized unit of DNA sequences that enables a segment of
DNA to be transcribed into RNA and ultimately results in the
formation of a functional product is called a _______.
chromosome
trait
allele
gene
expression Correct Answers gene
Based on the gene and protein sequences that follow, what type
of mutation-polypeptide effect has occurred?
Normal gene: ATGGCCGGCCCGAAAGAGACC
Mutated gene: ATGGCCGGCACCGAAAGAGACC
Normal protein: Met-Ala-Gly-Pro-Lys-Glu-Thr
Mutated protein: Met-Ala-Gly-Thr-Glu-Arg-Asp
base addition - silent
substitution - missense
base addition - missense
substitution - nonsense
