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Transcription And Translation

Total questions: 43

Worksheet time: 27mins

Name
Class
Date
1.

When the mRNA sequence leave the nucleus, what organelle does it travel to?

a)

mitochondria

b)

smooth ER

c)

ribosome

d)

vacuole

2.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
3.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
4.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
5.
Which of the following describes RNA?
a)
RNA is usually double-stranded and contains the base thymine
b)
RNA is usually single-stranded and contains the base uracil
c)
RNA is longer than DNA and uses five bases to encode information
d)
RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions
6.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
7.
Which of the following statements about the genetic code is true?
a)
A codon can specify more than one amino acid
b)
Every codon specifies a different amino acid
c)
Some codons specify the same amino acid
d)
Some codons have no function at all
8.
The process of making proteins on the ribosome based on instructions from messenger RNA is called
a)
transcription
b)
transformation
c)
translation
d)
molecular biology
9.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
10.
A single-base mutation in a messenger RNA molecule could transcribe the DNA sequence CAGTAT into
a)
GTCATA
b)
GUCAUA
c)
GTCUTU
d)
GUAAUA
11.
A substance that can cause a change in the DNA code of an organism is called a 
a)
toxin
b)
mutagen
c)
nitrogenous base
d)
nucleotide
12.

Which of the following are the bases for RNA?

a)

adenine, uracil, thymine, and guanine

b)

adenine, uracil, guanine, and cytosine

c)

adenine, thymine, guanine, and cytosine

d)

adenine, uracil, thymine, and cytosine

13.

Which of the following is a type of RNA?

a)

mRNA

b)

tRNA

c)

rRNA

d)

All of these are types of RNA

14.

True or False: RNA uses deoxyribose sugar.

a)

True

b)

False

15.

True or False: Transcription is the process by which the information in a strand of DNA is copied into a messenger RNA (mRNA).

a)

True

b)

False

16.

Transcribe the following DNA strand:

ATAGC

(a)  

17.

Transcribe the following DNA strand:

ACT GTA CCA

(a)  

18.

What does tRNA "transfer"?

a)

amino acids

b)

nucleic acids

c)

nucleotides

d)

AUG

19.

What do amino acids come together to join?

a)

a growing polypeptide chain (protein)

b)

a growing lipid

c)

a growing carbohydrate

d)

a growing nucleic acid

20.
In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
21.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
22.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

23.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

24.

Where is DNA and RNA made?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

ER

25.

RNA contains which sugar?

a)

deoxyribose

b)

Ribose

c)

glucose

d)

fructose

26.

RNA has what base that is instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

27.

Transcribe the following DNA sequence into RNA: (Hint! Remember that RNA has U instead of T!)


AAT TAG GGC TCG

a)

AAT TAG GGC TCG

b)

TTA ATC CCG AGC

c)

UUA AUC CCG AGC

d)

TTU UTC CCG UGC

28.
Amino acids are the building blocks of... 
a)
DNA
b)
RNA
c)
Atoms
d)
Proteins
29.
What does protein synthesis DO?
a)
makes genes
b)
makes proteins
c)
makes new cells
d)
deletes cells
30.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
31.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

32.

DNA molecule segment is : TTACGCAAG

The mutated DNA segment is TTACGCAAC. This is an example of ___ mutation.

a)

Substitution

b)

Insertion

c)

Inversion

d)

Translocation

33.

ATT-TGA-GCC- Original

ATT-GAG-CC - Mutated

The example above is an example of a

a)

Insertion- Frameshift

b)

Deletion- Substitution

c)

Deletion -Frameshift

d)

All of the above

34.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

35.

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred?

a)

deletion

b)

substitution

c)

tranverse

d)

insertion

36.

When using your codon chart, what sequence can you use to find the correct amino acid?

a)

DNA

b)

mRNA

c)

tRNA

d)

Any of these will do

37.

What organelle reads the mRNA and finds the correct amino acid?

a)

DNA

b)

Nucleus

c)

Ribosome

d)

Chloroplast

38.

How many nucleotides make up a codon?

a)

1

b)

3

c)

5

d)

15

39.

How many codons: AAU GCG AUG

a)

9

b)

1

c)

3

d)

15

40.

How many nucleotides? AAU GCG AUG

a)

9

b)

3

c)

1

d)

15

41.
ATCAGTGAT A codon is a sequence of three nucleotides that code for an amino acid. If the DNA sequence shown here goes through transcription and translation, how many amino acids will result from this sequence?
a)
5
b)
4
c)
2
d)
3
42.
RNA is read in sections called:
a)
Triplets
b)
Genes
c)
Codons
d)
Genes
43.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 

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