Download RNA, Transcription, and Translation

RNA, Transcription, and Translation
)n the line provided, write the letter of the term from the list that matches each description. Each choice can e
used once, more than once, or not at all.
C
1. enzyme that binds directly to a DNA molecule
during transcription
a.RNA
b. transcription
~2.
~3.
~
form ofRNA that serves as a messenger from DNA
to the rest of the cell
c. RNA polymerase
process by which RNA is made
d. messenger RNA
4. form ofRNA that transfers amino acids to the
ribosome during protein assembly
e. ribosomal RNA
f. transfer RNA
~5.
chain of amino acids held together by peptide bonds
g. polypeptide (protein)
~
6. principal molecule that carries out the instructions
coded in DNA
h
7. consists of 64 codons along with their
corresponding amino acids
h. genetic code
i. codon
j. translation
_'_8.
~9.
group of three nucleotides in mRNA that specifies
an amino acid
k. protein
form of RNA that is part of the structure of ribosomes
L. elongation
6. 10. molecule whose properties are determined by the sequence
-y
M. termination
of its amino acids
N. anticodon
Cl.- 11. single-stranded nucleic acid that contains uracil
.
O. initiation
( .12. process by which the nucleotides in mRNA are decoded
~
into a sequence of amino acids in a polypeptide
~
13. process by which part of the nucleotide sequence of a DNA
molecule is copied into RNA
,
~14.
group that can be thought of as one of the words of the genetic message
-.l2'.L 15. the end step of translation
~16.
~
complementary 3 base sequence oftRNA
17. first step of translation
Answer each of the following in the space provided.
\
21. What is the initiator codon in most mRNA molecules? What are the stop codons? What is their function?
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r:
Ilvl
),611tv
W/J(
G--,L
SIDt
C,) rlo/\J
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ii)
Of
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J 15{-
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d..
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Af~
,~e..
ooh/N.
f
23. Write the corresponding mRNA and tRNAsequences that would be formed from the DNA strand below.
GJ A C IT
DNA - T A C A A
/YI/OVA fi- LA 6 L1 LA
f£/VI-} o: A- L i4-- A
L
6
u..
lA 6 / ~
,,4 L U
G) g.T
c
D
LAU
C
T
A
6
u ~
LtL{
24. Using the codon chart on p.184, write the amino acid sequence that be translated from the rnRNA formed in
question
{VIL'h -
&
f~e
-
CobrJ-> -
~
(Y)~{ ~ iJJ
L
Af
Am/tvD
ys - (;>/1 wraI . A
M1
£..
It-et'Js.
-J
(;I
.
.NAME
per
DNAIRNA Practke Quiz
Check ·thebox.that applies to each statement for either true for DNA or RNA. IfRNA state if it is true for "tRNA"
"mRNA" or "both"
,
.
;
RNAas
only
.mRNA
DNA
1. Ribose suaar oresent
2. Deoxyribose suaar present
tJh.(X,(J~L
3. Phospboric acid present
4. Adenine base present
5. Thymine base present
6, Uracil base present
7. Guanine base present
8. Cytosine base present
..
9. Double strand
10. Sin2lutraad
-i't. Twisted in helix shape
J 2. Used in transcription process
13. Used in translation process
14. Ori2iuaJ instnidioDS for protein
15. Copy of the inStrurtlODS for proteins
16. Remains in the Dudeus
17. Found in both Dud.eus &, CYtoplasm
18. Remains in the cl10plaSm
19. has an "8otic:odoo"'base pair set to match with
..
m.RNA condon
20. has a ..~·don" base pait set to match with DNA
triplet'
".
21. Picks up & transfers amino acids to the ribosome
protein synthesis site
22. CDairs with.G
13. A pairs witli T
24. A pairs ~itb U
25. CGA becomes GCU in transcription
..
26. CGAbecomes GeT inreolication
27. GCU becomes CGA in translation
28. Used to make a new set of chromosollDeS in mitosis .
replication
29. Used in the synthesis of. proteiD in the
transcription & translation process
30. "Nucleotides" form the basic unit
.
BotbmRNA
AndtRNA
·RNA~
only
tRNA
.
"
j
-/
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-
.
3.
4.
v
./
,/
./
,/
./
..
,.
;/.
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,.
..
/
./
/
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:/
.>
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.
../ .
-
~/
./
/
~/
-:
-7·
./
/
..
.
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.
../
-:7
.r
../
/
/'
/
./
~/
r'
r·
Which of the following ktrti~ofRNA.?
(i) appears asa.,inglestrarid rather than double
b. contains Qte base thymine'
c. containseiih~ ribose ordeoxyribose
d. found onlyin the cytopta:siri
e. found bray ill the ~cltus.
Protein m~nufactured in'~f1s·takes palace mainly on the
lVribosomes'
. b. mitoClion~ria ~. nUcleus d. nucleotide
Transfer RNA is concerned with delivering
a. proteins
b. pOl)'peptides
c: messages
../'
../
Suppose'that' the base tri~let Code for the ~~.
aCid proline is .CGA ~d the code .for valine is .
.~ow
many uucleotides must. be changed m order tO$Ubstrolte valine for proline?
a. 0
b.two
c. three d. four e. there is no way to tell
2.
/'
.
..
'
/-
or
d. nucleotides
c.amino acids
Gamino acids
S. ··Suppo~·ihat~base<sequence
· • theotheuider.ead?
'i"6CT~'
".'
.
.
on .one side ciftbeiDNA molecule:reads GCTA ~
.
:·b."GCUA·
,
.
·'~i'CGAtJ.
~GAT
,l9/\...
. ',:';;
.
..
.
qi,ptotein
6-. WlIat briogs.amino'Ei& to. ~~.
· a. DNA.~. mRNA., . 0~A(i.
Use the diagram
would the base sequence on
synthesis?·
~~s:omes:
e.
'.'
.
eridopWtUi.c
reticulum
to ariSWer the fOllowing questiol)s:'
9. The drtla in tbediagrahrare:-' .
•
a. ~b.lI~xyri~
·.(VphoSPMte5
d.hydrogen
·c. bases
10. WheJfDNA"unzips"
it docs so along.the plane indicated. by number:
aL:
b ..2
. c.·S
~.ge.lQ..
.
.
.
11. The 3 is guanine, ·then 4 must be: !;--,
..
a. adenine b. thymine c. guanine lo/cytQSine
.
.
12. The 6 is enine, then 7 must be:'
a. uracil' b. thymine c. guanine d. cytosine
'.!.: "
13. Deoxyribeseis.indicated by numbers:
. a.l·andZ·
'-b.jand4: ..c.6and7
..:d.4and7
.
;
...•.
''''e .,., .~,'
ID
Qind,S
"'"__
. ....
....
14.. Suppose that there was. ~ng~ in ~ Sequence of bases in a segment ofDNA~,th~.~r.esult
, wouldprobably.bea.,~g~
i_~·tbe:.. .
".,
"""
.' -.'
....
. ,.
. a.
.
c>.fthischange
",.
D~A molecule only.'
.b.. ' Ribo-some;~Pl'lAboth
. .'
ofprOt~ ~'Celi p~
.d. .. T,ypc;_9(sllI~se,,~ ~Il.~ce
@. Type
e. ' ~~,p~~~jc
~cul~
.
o •.
,
,
.
Number the f9110wing"epsof the.'protein~syp~i~ prQCeS:S
~ ~~ if ~,iSJluring ~ptio~
step is:#1
:.." .. ,
.r .'·.f • ~.: ~':;,: • .t .•.. ,.. ,,: .,' .,'.
,.':'•.,.. '._ :-.'
','.'
Step
? Translation O~;. . : ,.S~. .
T
. .#
.. on
. #
-;;1i~5/dJrJi
T' . ~:!r~~=einiS
.
.r
,<;
.
~
.,
."
.
' ':
~trr8nslatio~
or
., 1'ralisCriPtion
' 1IA-v6(J'jJ/t'dr-J
~~.e~'/~N)tJ;,,J
fonriAli~~'ot~ti~e
r~n.·~ ·:...:....If ....
The body signals the
JUlcleiJsto begin .
Construction oran enzyme
:"
or translation, The first
"c?;". ,=~::P:i~,~~m.~_.
*/1,...<51.1&.-1
~::APickSUPthe"'inc
'".
., ~nds,
_.
.
Beginning of
:~()n
· (protein)
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-.
•
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