Download The process of copying a gene`s DNA sequence into a sequence of

25%
sla
tio
n
tio
sc
rip
Tr
an
at
io
25%
PC
R
25%
n
25%
Tr
an
Replication
Transcription
Translation
PCR
Re
pl
ic
1.
2.
3.
4.
n
The process of copying a gene's DNA
sequence into a sequence of RNA is called
The transcribing enzyme is
Ligase
DNA polymerase
RNA polymerase
amino-acyl
transferase
se
sfe
ra
ra
n
ym
am
in
o
-a
cy
lt
po
l
RN
A
DN
A
po
l
ym
er
a
er
a
se
se
as
e
25% 25% 25% 25%
Lig
1.
2.
3.
4.
Which molecule contains the genetic
code?
A
25%
tR
N
25%
RN
A
25%
m
25%
DN
A
RNA
DNA
mRNA
tRNA
RN
A
1.
2.
3.
4.
Transcription occurs along a ____ template
forming an mRNA in the ____ direction.
o
o
3'
t
3'
t
5'
;
3'
t
o
5'
3‘
25%
o
5'
t
o
o
5'
t
3'
;
3'
t
o
5'
t
o
3'
;
25%
5‘
25%
3‘
25%
5'
;
5' to 3'; 5' to 3‘
5' to 3'; 3' to 5‘
3' to 5'; 5' to 3‘
3' to 5'; 3' to 5'
5'
t
1.
2.
3.
4.
The first mRNA codon to specify an
amino acid is always
25%
25%
AU
G
25%
UA
G
25%
UA
A
TAC
UAA
UAG
AUG
TA
C
1.
2.
3.
4.
The amino acid sequence of a polypeptide chain
comprises the ____ structure of the protein.
25%
er
na
ry
ry
25%
Qu
at
nd
a
ry
25%
Se
co
ar
y
25%
Te
rti
a
Primary
Secondary
Tertiary
Quaternary
Pr
im
1.
2.
3.
4.
RNA contains which bases?
1. adenine, thymine,
guanine, cytosine,
uracil
2. adenine, thymine,
guanine, cytosine
3. thymine, guanine,
cytosine, uracil
4. adenine, guanine,
cytosine, uracil
in
e,
c
yt
os
in
..
..
ad
en
i
ne
,g
ua
n
ni
n
e,
cy
to
sin
i..
.
ua
n
e,
gu
a
th
ym
in
hy
m
in
e,
g
ne
,t
ad
en
i
ad
en
i
ne
,t
hy
m
in
e,
g
ua
n
in
..
25% 25% 25% 25%
Which of the following statements is
true regarding introns?
1. Introns are the parts of
mRNA that are
translated
2. Introns have no
function.
3. In general, human genes
have fewer introns than
genes of other
organisms.
4. Introns may be involved
in exon shuffling
m
on
s
In
tr
..
vo
l
in
be
ay
hu
m
l,
ge
ne
ra
In
ve
d
ge
ne
s. .
.
an
fu
n
no
e
ha
v
on
s
In
tr
In
tr
on
s
ar
e
th
e
pa
rt
so
f. .
.
ct
io
n.
25% 25% 25% 25%
Which mode of information transfer
usually does not occur?
DNA to DNA
DNA to RNA
DNA to protein
all occur in a
working cell
gc
el
l
ot
ei
n
all
wo
r
oc
cu
ri
n
a
DN
A
to
kin
pr
to
DN
A
to
DN
A
RN
A
25% 25% 25% 25%
DN
A
1.
2.
3.
4.
TG
C
GC
AT
TT
AA
CG
UA
AC
G
UU
GC
AU
UG
C
AA
CG
T
AA
CG
A DNA strand with the sequence AACGTAACG is
transcribed. What is the sequence of the mRNA
molecule synthesized?
1. AACGTAACG
25% 25% 25% 25%
2. UUGCAUUGC
3. AACGUAACG
4. TTGCATTGC
Which of the following features is common
to both DNA replication and transcription?
1. Nucleotides are added to
the 3' end of the newly
synthesized strand
2. Deoxyribonucleotides are
incorporated into the
growing sequence
3. Both RNA and DNA
polymerase require
oligonucleotide priming
4. Both RNA and DNA
polymerase initiate at
promoter sequences
De
ox
yr
ib
Nu
cle
ot
id
es
a
re
ad
de
d
t. .
on
.
uc
le
Bo
ot
th
id
es
RN
ar
A
. ..
an
d
DN
Bo
A
th
po
RN
l..
A
.
an
d
DN
A
po
l..
.
25% 25% 25% 25%
The process of producing an amino acid polymer
(polypeptide) from a RNA template is called __.
25%
n
at
io
du
pl
ic
ns
la
tio
n
tio
ns
cr
ip
tra
ic a
t io
25%
n
25%
n
25%
tra
replication
transcription
translation
duplication
re
pl
1.
2.
3.
4.
Where does transcription occur in a
prokaryotic cell?
25%
sm
nd
ria
ch
o
M
ito
br
a
em
m
25%
Cy
to
pl
a
25%
ne
25%
Ce
ll
Nucleus
Cell membrane
Mitochondria
Cytoplasm
Nu
cle
us
1.
2.
3.
4.
Each amino acid in a protein is specified by
several genes.
a promoter.
an mRNA molecule.
a codon.
an
m
RN
A
n.
od
o
ac
m
ol
ec
u.
..
ot
er
.
ro
m
ap
ge
ne
s.
25% 25% 25% 25%
se
ve
ra
l
1.
2.
3.
4.
When mRNA leaves the cell's nucleus, it next
becomes associated with
proteins.
a ribosome.
tRNA.
RNA polymerase.
se
. ..
A.
RN
A
po
l
ym
er
a
tR
N
ib
os
om
e.
ar
te
in
s.
25% 25% 25% 25%
pr
o
1.
2.
3.
4.