BIOL133 Chapter 16-20 Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
(16) The portions of the mature Untranslated regions.
mRNA where RNA-binding
proteins
can attach in order to change RNA
stability are known as
(16) A gene is made up of three mRNA with all three exons along with
exons (numbered consecutively) intron 1.
with
two introns (intron 1 between
exons 1
and 2 and intron 2 between exons
2
and 3). What would happen if
there
were a mutation at the 3' splice
site
of intron 1?
(16) If every cell in the body gets A. Different transcription factors are active
the in
same DNA, how do the cells of an different cells.
embryo make different structures C. Genes are spliced differently in different
and take on different roles? cells.
(Select D. Translation is regulated so that different
all that apply.) cells
may make more of certain proteins.
, (16) In eukaryotes, where would a On both the 5' end and the 3' end.
protective modification be found
on
mRNA?
(16) _________ is the first protein eIF-2
to bind
to mRNA to being initiation of
translation.
(16) Epigenetics refers to a special Histone acetylation or DNA methylation.
kind of hereditary mechanism.
Epigenetic changes do not change
the DNA nucleotide sequence, yet
their effect on gene expression
can
last for several generations.
In one surprising study, it was
found
that the grandsons of men who
suffered a famine were less likely
to
die of cardiovascular disease. The
experience of famine made some
cardio-protective change in the
sperm of those grandfathers that
was
passed on.
What type of change was likely
responsible?
Answers with Verified Solutions | Latest
Updated 2026
(16) The portions of the mature Untranslated regions.
mRNA where RNA-binding
proteins
can attach in order to change RNA
stability are known as
(16) A gene is made up of three mRNA with all three exons along with
exons (numbered consecutively) intron 1.
with
two introns (intron 1 between
exons 1
and 2 and intron 2 between exons
2
and 3). What would happen if
there
were a mutation at the 3' splice
site
of intron 1?
(16) If every cell in the body gets A. Different transcription factors are active
the in
same DNA, how do the cells of an different cells.
embryo make different structures C. Genes are spliced differently in different
and take on different roles? cells.
(Select D. Translation is regulated so that different
all that apply.) cells
may make more of certain proteins.
, (16) In eukaryotes, where would a On both the 5' end and the 3' end.
protective modification be found
on
mRNA?
(16) _________ is the first protein eIF-2
to bind
to mRNA to being initiation of
translation.
(16) Epigenetics refers to a special Histone acetylation or DNA methylation.
kind of hereditary mechanism.
Epigenetic changes do not change
the DNA nucleotide sequence, yet
their effect on gene expression
can
last for several generations.
In one surprising study, it was
found
that the grandsons of men who
suffered a famine were less likely
to
die of cardiovascular disease. The
experience of famine made some
cardio-protective change in the
sperm of those grandfathers that
was
passed on.
What type of change was likely
responsible?
