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TRANSLATION

Total questions: 25

Worksheet time: 24mins

Name
Class
Date
1.

Name process shown in the diagram.

a)

replication

b)

transcription

c)

recombination

d)

translation

2.
Translation is the process where
a)
mRNA is created in the Nucleus
b)
mRNA is decoded to form a protein 
c)
glucose molecules are made
d)
is where lipids are synthesised
3.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
4.

What is the location in the cell for translation?

a)

nucleus

b)

mitochondria

c)

cytoplasm

d)

chloroplast

5.

What is the three base sequence of mRNA that codes for a single amino acid?

a)

Anticodon

b)

Codon

c)

Protein

d)

Nucleotide

6.

tRNA plays a role in which of the following ?

a)

picking up the amino acid specified by the anticodon

b)

recognizing the appropriate codons in mRNA

c)

translating codons into amino acids

d)

all of these are correct

7.
tRNA molecules move through the ribosome in the order:
a)
A-P-E
b)
E-P-A
c)
E-A-P
d)
P-E-A
8.
tRNA molecules match the mRNA codons with a(n):
a)
Codon
b)
Anti-Codon
c)
Intron
d)
Methylated Cap
9.

Which of the statements below is FALSE?

a)

The genetic code is overlapping.

b)

The genetic code is universal.

c)

Degenerate codons specify the same amino acids.

d)

The genetic code is triplet.

10.
Which of the following is an example of the degeneracy of the genetic code?
a)
The genetic code is not degenerate
b)
A given amino acid has more than one codon
c)
Codons can specifies more than one amino acid
d)
The first base specifies the amino acid
11.

Where is the anticodon located?

a)

at the top of the molecule it's found on

b)

at the bottom of the molecule it's found on

c)

on the right of the molecule it's found on

d)

on the left of the molecule it's found on

12.

What is the purpose for anti-codons?

a)

to ensure the correct amino acid is dropped off

b)

to match the strand of DNA

c)

to decode a sequence of 4 nucleotides into an amino acid

d)

to make me hate biology

13.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
14.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

15.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

16.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

17.

An mRNA codon with the sequence 5'-GAC-3' would be matched by a tRNA anti-codon with the sequence:

a)

3'-GAC-5'

b)

3'-CUG-5'

c)

5'-GAC-3'

d)

5'-CUG-3'

18.

How do you know when to begin translating a strand of mRNA?

a)

look for AUG

b)

start at the beginning

c)

look for ATG

d)

when Ms. H tells me to

19.

How do you know when to STOP translating a strand of mRNA?

a)

look for STOP on the decoder

b)

stop at the end of the strand

c)

you don't

d)

when Ms. H tells me to

20.
What would happen if we did not have start codons?
a)
Polypeptide chains would continue to grow
b)
Amino acids would bind to tRNA
c)
Protein synthesis wouldn't occur
d)
mRNA would form a double strand
21.

What is the correct amino acid sequence for the mRNA code AUG CCA GUA UGA

a)

Met-Pro-Ala-Val

b)

Met-Pro-Val-Stop

c)

Tyr-Gly-His-Stop

d)

Tyr-Gly-Arg-His

22.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
23.
A tRNA that carries the amino acid methionine pairs with which type of codon?
a)
serine codon
b)
tRNA codon
c)
start codon
d)
anticodon
24.

TRANSLATE this RNA sequence: AUGCAAGGCUACUAA

a)

Met-Gln-Gly-Tyr-Stop

b)

Met--Gln-His-Pro-Stop

c)

Thr-Met-Glu-Gln-Stop

d)

Met-Thr-Gln-Pro-Stop

25.

21 nucleotides will provide how amino acids?

a)

3 amino acids

b)

5 amino acids

c)

7 amino acids

d)

9 amino acids

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