MMSC 490 Final Questions With Complete Solutions
A chromatosome is a complex of eight core Correct Answers
Histones, one histone H1 and 166 bp of DNA
A gene can be defined as a segment of DNA that codes for
Correct Answers A functional product
A gene family is Correct Answers A set of related but slightly
different genes in one individual
A major difference between immunoglobulin heavy chains and
light chains is that heavy chains contain ____ regions. Correct
Answers C
A protein that becomes marked in a sequence called the
destruction box is degraded by proteasomes is Correct Answers
cyclin
A reporter gene is one that Correct Answers Can produce a
product that is easily detected when expressed under the control
of a regulatory sequence to which it has been ligated
A reporter gene is used to Correct Answers identify regulatory
sequences from the upstream regions of other genes
A signal peptidase Correct Answers removes a signal sequence
from a polypeptide chain after it passes through a channel into
the rough ER.
,A yeast mutant shows decreased expression of the 5.8 S rRNA,
the 5S rRNA, and the portain encoding mRNAs. In which of the
following might the mutation be in Correct Answers TATA
binding protein TBP
According to the central dogma of molecular biology, the
transcription of genetic information occurs via Correct Answers
DNA dependent RNA synthesis
Acetylcholine's effect on heart muscle cells results from the
activation of receptors that _____ channels Correct Answers
open K+
An electrophoresis assay used to identify the sequences of DNA
to which specific regulatory Correct Answers An
electrophoretic-mobility shift assay
Antibiotics are powerful medications that inhibit the growth of
bacteria. Which of the following would be an effective strategy
or target for the drug Correct Answers Inhibition of
translational initiation
Induction of premature polypeptide chain termination
Inhibition of amnioacyl tRNA binding
Apoptosis, or programmed cell death, occurs in all of the
following cases except Correct Answers in cells damaged by
injury.
Apoptotic cells produce "eat me" signals, which include
_______ of cell surface _______. Correct Answers gain,
phosphatidylserines
, Aspirin inhibits ____ synthesis Correct Answers prostaglandin
At fertilization, the sperm binds to a receptor on the surface of
the egg and fuses with the plasma membrane, initiating the
development of a new diploid organism. Which of the following
about fertilization is false Correct Answers The progression of
metaphase II to anaphase is triggered by the activation of MPF
Bax and Bak act by Correct Answers Forming oligomers in the
mitochondrial outer membrane that release cytochrome c.
Binding of the activating nucleotide di or triphosphate causes
the Ras protein to (first) Correct Answers undergo a
conformational change
Calcium stimulates many cellular enzymes by binding to a
calcium-binding protein called Correct Answers calmodulin
Carbon monoxide can be released by brain cells and stimulates
Correct Answers Guanylate cyclase and blood vessel dilation
Catabolite repression in e coli Correct Answers Is revered by
cAMP binding to catabolite activator protein
Cdks bind to cyclin and are activated by Correct Answers
dephosphorylation by Cdc25 protein phosphatase.
Ced-9 functions directly to _______ Ced- _______. Correct
Answers inhibit; 4
A chromatosome is a complex of eight core Correct Answers
Histones, one histone H1 and 166 bp of DNA
A gene can be defined as a segment of DNA that codes for
Correct Answers A functional product
A gene family is Correct Answers A set of related but slightly
different genes in one individual
A major difference between immunoglobulin heavy chains and
light chains is that heavy chains contain ____ regions. Correct
Answers C
A protein that becomes marked in a sequence called the
destruction box is degraded by proteasomes is Correct Answers
cyclin
A reporter gene is one that Correct Answers Can produce a
product that is easily detected when expressed under the control
of a regulatory sequence to which it has been ligated
A reporter gene is used to Correct Answers identify regulatory
sequences from the upstream regions of other genes
A signal peptidase Correct Answers removes a signal sequence
from a polypeptide chain after it passes through a channel into
the rough ER.
,A yeast mutant shows decreased expression of the 5.8 S rRNA,
the 5S rRNA, and the portain encoding mRNAs. In which of the
following might the mutation be in Correct Answers TATA
binding protein TBP
According to the central dogma of molecular biology, the
transcription of genetic information occurs via Correct Answers
DNA dependent RNA synthesis
Acetylcholine's effect on heart muscle cells results from the
activation of receptors that _____ channels Correct Answers
open K+
An electrophoresis assay used to identify the sequences of DNA
to which specific regulatory Correct Answers An
electrophoretic-mobility shift assay
Antibiotics are powerful medications that inhibit the growth of
bacteria. Which of the following would be an effective strategy
or target for the drug Correct Answers Inhibition of
translational initiation
Induction of premature polypeptide chain termination
Inhibition of amnioacyl tRNA binding
Apoptosis, or programmed cell death, occurs in all of the
following cases except Correct Answers in cells damaged by
injury.
Apoptotic cells produce "eat me" signals, which include
_______ of cell surface _______. Correct Answers gain,
phosphatidylserines
, Aspirin inhibits ____ synthesis Correct Answers prostaglandin
At fertilization, the sperm binds to a receptor on the surface of
the egg and fuses with the plasma membrane, initiating the
development of a new diploid organism. Which of the following
about fertilization is false Correct Answers The progression of
metaphase II to anaphase is triggered by the activation of MPF
Bax and Bak act by Correct Answers Forming oligomers in the
mitochondrial outer membrane that release cytochrome c.
Binding of the activating nucleotide di or triphosphate causes
the Ras protein to (first) Correct Answers undergo a
conformational change
Calcium stimulates many cellular enzymes by binding to a
calcium-binding protein called Correct Answers calmodulin
Carbon monoxide can be released by brain cells and stimulates
Correct Answers Guanylate cyclase and blood vessel dilation
Catabolite repression in e coli Correct Answers Is revered by
cAMP binding to catabolite activator protein
Cdks bind to cyclin and are activated by Correct Answers
dephosphorylation by Cdc25 protein phosphatase.
Ced-9 functions directly to _______ Ced- _______. Correct
Answers inhibit; 4
