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Protein Synthesis

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

The first step of protein synthesis

a)

Translation

b)

Transcription

2.

Transcription takes place in the ____ of the cell.

a)

Cytoplasm

b)

Ribosome

c)

Nucleus

d)

Protein

3.

During transcription the _________ is copied into a ___________molecule

a)

mRNA / DNA

b)

DNA / mRNA

c)

DNA / tRNA

d)

tRNA / mRNA

4.

After transcription the mRNA leaves the nucleus and enters the _____________ in the ______________

a)

Ribosome / Cytoplasm

b)

Nucleus / Cytoplasm

c)

Cytoplasm / Nucelus

5.

Proteins are made of a chain of _________________

a)

tRNA

b)

Protein

c)

mRNA

d)

Amino Acids

6.

When a cell transcribes DNA to mRNA the C base matches with _____

a)

A

b)

U

c)

G

d)

C

7.

Transcribe the following DNA into mRNA:


GCT

a)

CGU

b)

CGA

c)

GCU

d)

GCT

8.

Transcribe the following DNA into mRNA:


TAC

a)

CTG

b)

UAG

c)

AUG

d)

AUT

9.

During translation the tRNA brings an ____________________ to the ribosome.

a)

Protein

b)

mRNA

c)

Cytoplasm

d)

Amino Acid

10.

The ribosomes reads the mRNA in groups of three and this is called a _______________.

a)

Codon

b)

Triplet

c)

Grouping

d)

mRNA Bunch

11.

Transcribe the following DNA codon into mRNA:


GAC

a)

UUU

b)

GUC

c)

CUG

d)

GAC

12.

When transcribing DNA the base A pairs with the mRNA base _____.

a)

A

b)

G

c)

U

d)

C

13.

When transcribing DNA the base G pairs with the mRNA base _____.

a)

A

b)

G

c)

U

d)

C

14.

When transcribing DNA the base C pairs with the mRNA base _____.

a)

A

b)

G

c)

U

d)

C

15.

When transcribing DNA the base T pairs with the mRNA base _____.

a)

A

b)

G

c)

U

d)

C

16.

Transcribe the following DNA into mRNA:


CGA

a)

UCG

b)

CGA

c)

GCU

d)

GCA

17.

Transcribe the following DNA into mRNA: TAA

a)

UUU

b)

AUU

c)

UAA

d)

CTA