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Protein Synthesis

Total questions: 28

Worksheet time: 9mins

Name
Class
Date
1.

During translation, this type of ribonucleic acid is responsible for delivering amino acids to help make a protein.

a)

mRNA

b)

rRNA

c)

tRNA

d)

dRNA

2.

How many amino acids are found on one tRNA?

a)

20

b)

4

c)

1

d)

3

3.
This is the triplet of bases on the end of a tRNA molecule
a)
Anticodon
b)
Codon
c)
Protein
4.
The function of ______ is to combine with proteins to form ribosomes.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
5.
The process where mRNA is read and made into an amino acid chain.
a)
Transcription
b)
Translation
c)
Transportation
d)
Transient
6.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
7.
What is the mRNA strand that would result from the DNA template strand CCTA?
a)
GGAT
b)
CCAT
c)
GGAU
d)
CCAU
8.
The process where mRNA is translated into amino acids happens in what part of the cell?
a)
Nucleus
b)
Mitochondria
c)
Cytoplasm
d)
Endoplasmic Reticulum
9.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
10.

Where does Replication Occur?

a)

Nucleus

b)

Cytoplasm

c)

Endoplasmic reticulum

d)

Ribosome

11.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

12.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

13.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

14.

On which molecule can an anticodon be found?

a)

mRNA

b)

DNA

c)

tRNA

d)

rRNA

15.

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

16.

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

17.

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

a)

A stop codon occurs

b)

stop at the end of the strand

c)

An AUG codon occurs

d)

when i feel like it

18.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

19.

TRANSLATE this RNA sequence: AUGCAAUGA

a)

Met-Glu-Stop

b)

Met-His-Stop

c)

Thr-Glu-Stop

d)

Thr-Pro-Stop

20.

The important enzyme related with transcription is;

a)

gyrase

b)

DNA polymerase

c)

RNA polymerase

d)

ligase

21.

What does letter R in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

DNA

c)

Ribosome

d)

mRNA

22.

What does letter M in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

DNA

c)

Ribosome

d)

mRNA

23.

What does letter N in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

DNA

c)

Ribosome

d)

mRNA

24.

What does letter Z in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

Codon

c)

Anticodon

d)

Nucleotide

25.

What does letter Q in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

tRNA

c)

RNA Polymerase

d)

tREX

26.

What does letter P in the diagram indicate? (Click diagram to enlarge)

a)

Amino Acid

b)

tRNA

c)

RNA Polymerase

d)

tREX

27.

Following DNA replication, each of the 2 new DNA molecules will be composed of:

a)

2 new DNA strands

b)

1 new and 1 original DNA strand

c)

2 original strands

d)

1 strand of RNA and 1 strand of DNA

28.

Damaged DNA is repaired by?

a)

Purine

b)

Ribosome

c)

Enzymes

d)

Nucleotides