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Worksheets

DNA, RNA, & Protein Synthesis

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Groups of three bases in mRNA are called

a)

triplets

b)

codons

c)

anticodons

d)

trifolds

2.

RNA is like a disposable copy of ___________

a)

tRNA

b)

mRNA

c)

DNA

d)

rRNA

3.

__________ is the process of DNA making a copy of itself.

a)

Protein synthesis

b)

Replication

c)

Transcription

d)

Translation

4.

There are a total of ____ possible 3-base codons.

a)

3

b)

16

c)

64

d)

128

5.

Made up of a sugar, phosphate, and a base

a)

nucleotide

b)

codon

c)

anticodon

d)

triplet

6.

Does NOT code for a protein

a)

intron

b)

exon

7.

The building blocks of proteins

a)

nucleotides

b)

adenines

c)

amino acids

d)

sugars

8.

Enzyme that binds to DNA during transcription

a)

deoxyribose

b)

ribose

c)

RNA polymerase

d)

glycogen

9.

The globular protein around which DNA is tightly coiled

a)

histone

b)

polymerase

c)

deoxyribose

d)

intron

10.

In RNA, thymine is replaced by

a)

adenine

b)

uracil

c)

guanine

d)

tryptophan

11.

Process of making mRNA copy of DNA

a)

transcription

b)

translation

c)

replication

d)

ajudication

12.

The transfer RNA (tRNA) brings _______ to the mRNA

a)

nucleosomes

b)

polymerase

c)

bases

d)

amino acids

13.

Amino acids are assembled into polypeptide chains (proteins) by the

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

Golgi

14.

Location of replication

a)

nucleus

b)

ribosome

c)

endoplasmic reticulum

d)

cytoplasm

15.

Sequences of mRNA that DO code for a protein are called

a)

introns

b)

exons

c)

none of the above

16.

Location of transcription

a)

in the cytoplasm at the ribosome

b)

in the nucleus

c)

in the cytoplasm at the lysosome

d)

in the cytoplasm at the smooth ER

17.

After an mRNA copy of the DNA message is made, the mRNA

a)

stays in the nucleus

b)

travels out of the nucleus & out of the cell

c)

travels to the ribosomes in the cytoplasm

d)

travels to the Golgi in the cytoplasm

18.

Protein factory

a)

Golgi

b)

nucleus

c)

smooth ER

d)

ribosome

19.
a)

DNA

b)

Proline

c)

RNA

d)

glucose

20.

Chain of amino acids

a)

carbohydrate

b)

protein

c)

lipid

d)

nucleic acid

21.

What kind of dog is this?

a)

Bassett Hound

b)

Bloodhound

c)

Bichon frise

d)

Bull mastiff