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Unit 5: Protein Synthesis, Gene Expression, and Mutation

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

A _________ is a segment of DNA that codes for a specific protein.

a)

gene

b)

mutation

c)

anti-codon (tRNA)

d)

codon (mRNA)

2.

Three bases on tRNA are called ______________.

a)

anti-codon

b)

codon

c)

gene

d)

mutation

3.

A chain of amino acids are called a____________

a)

polypeptide or protein

b)

gene

c)

RNA

d)

Carbohydrate

4.

What is a mutation?

a)

A change in genetic information

b)

translation

c)

transcription

d)

DNA synthesis

5.

Three bases on mRNA are called ______________.

a)

anti-codon

b)

codon

c)

gene

d)

mutation

6.

Where does TRANSCRIPTION take place in a eukaryotic cell

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

chlorophyll

7.

Where does translation take place in a eukaryotic cell

a)

cytoplasm, rough ER, ribosome

b)

nucleus and vacuole

c)

Smooth ER and vesicle

d)

cell membrane and golgi body

8.

What amino acid does the the mRNA codon "AUG" code for?

a)

Start /MET

b)

ALC

c)

PRO

d)

Stop

9.

Transcribe the following DNA sequence to mRNA.....

"CTG ACA"

a)

GAC UAU

b)

CAC TCT

c)

GGC CGA

d)

ACT UCU

10.

Which is an example of a gene SUBSTITUTION mutation?

a)

TAC -> AGG

b)

TAC-> AU

c)

TAC -> AUUG

d)

TAC -> AUG

11.

Which is an example of a frame shift-DELETION mutation?

a)

TAC-> AU

b)

TAC -> AGG

c)

TAC -> AUUG

d)

TAC -> AUG

12.

Which is an example of a frame shift-INSERTION mutation?

a)

TAC -> AUUG

b)

TAC-> AU

c)

TAC -> AGG

d)

TAC -> AUG

13.

What are the 3 parts of a DNA molecule?

a)

Phosphate group, Sugar, and Nitrogenous Base

b)

Aluminum group, potassium, and Sorbitol

c)

Proteins and lipids

d)

Lipids and carbohydrates

14.

What is B an example of?

a)

tRNA- transfer RNA

b)

mRNA- messenger RNA

c)

rRNA- ribosomal RNA

d)

DNA

15.

What is A an example of?

a)

tRNA- transfer RNA

b)

mRNA- messenger RNA

c)

rRNA- ribosomal RNA

d)

DNA

16.

What is C an example of?

a)

tRNA- transfer RNA

b)

mRNA- messenger RNA

c)

rRNA- ribosomal RNA

d)

DNA

17.

What type of biomolecule is this?

a)

Nucleic acid

b)

protein

c)

carbohydrate

d)

lipid