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DNA Replication & Protein Synthesis

Total questions: 25

Worksheet time: 38mins

Name
Class
Date
1.

What is the structure of DNA?

a)

Single Strand

b)

Single Helix

c)

Double Helix

d)

Triple Helix

2.

What is the sequence of nucleotides of DNA and RNA that determines the amino acid sequence of proteins?

a)

Protein Code

b)

DNA Codes

c)

Ribonucleic Acid

d)

Genetic Code

3.

Why do we call it the 'Universal' Genetic Code?

a)

All life on Earth uses nucleic acids to transmit information.

b)

All life on Earth has identical genes.

c)

All life on Earth has identical DNA codons.

d)

There is no such thing as a 'Universal' genetic code.

4.

What does DNA stand for?

a)

Deoxyribonucleic Acid

b)

Ribonucleic Acid

c)

Deoxifribosis

d)

Deoxitian Acid

5.

What is the molecule that contains every gene within an organism?

a)

RNA

b)

DNA

c)

tRNA

d)

mRNA

6.

What does RNA stand for?

a)

Ribophosphuros Acid

b)

Deoxyribonucleic Acid

c)

Ribonucleic Acid

d)

Ribosomal Acid

7.

What base pairs with Adenine in DNA?

a)

Guanine

b)

Thymine

c)

Cytosine

d)

Uracil

8.

What base pairs with Thymine in DNA?

a)

Uracil

b)

Adenine

c)

Cytosine

d)

Guanine

9.

What base pairs with Guanine?

a)

Cytosine

b)

Adenine

c)

Thymine

d)

Uracil

10.

Where does DNA replication take place in a Eukaryotic cell?

a)

In the Mitochondria

b)

In the Cytoplasm

c)

In the Ribosomes

d)

In the Nucleus

11.

What are the steps in DNA replication?

a)

1. Free nucleotides pair with matching half

2. Two identical strands formed

3. Enzyme unzips DNA

b)

1. DNA becomes one single strand

2. Enzyme divides it into two perfect halves

c)

1. Enzyme (Helicase) unzips DNA

2. Free nucleotides pair with matching half

3. Two identical strands formed

d)

DNA replication has no steps

12.

What is the structure of RNA?

a)

Single-strand deoxyribose

b)

Single-strand ribose

c)

Double-strand deoxyribose

d)

Double-strand ribose

13.

What base pairs with Adenine in RNA?

a)

Cytosine

b)

Uracil

c)

Thymine

d)

Guanine

14.

What does the 'm' in mRNA stand for?

a)

Mercer

b)

Mercury

c)

Maker

d)

Messenger

15.

What does the 't' in tRNA stand for?

a)

Transfer

b)

Transmit

c)

Translate

d)

Transcribe

16.

What process does mRNA help with?

a)

Translation

b)

Transfusion

c)

Transcription

d)

Transformation

17.

What process does tRNA help with?

a)

Transfusion

b)

Translation

c)

Transcription

d)

Transformation

18.

What are the steps in Protein Synthesis?

a)

1. Transcription

2. Translation

b)

1. Translation

2. Transcription

c)

1. Translation

2. Transformation

d)

1. Transformation

2. Translation

19.

Where does transcription take place?

a)

In the cytoplasm

b)

In the mitochondria

c)

In the nucleus

d)

In the chloroplast

20.

Where does translation take place?

a)

In the vacuole

b)

In the cytoplasm

c)

In the nucleus

d)

In the mitochondria

21.

Do mutations in somatic cells affect the offspring?

a)

Yes

b)

No

22.

Do mutations in sex cells affect the offspring?

a)

Yes

b)

No

23.

What do we call a permanent change in a nucleotide sequence?

a)

Error

b)

Mistake

c)

Codon Failure

d)

Mutation

24.

This is the original DNA nucleotide sequence:

CGT AGT CGA

What would the complimentary strand be?

a)

GCA TCA GCT

b)

GGG CTA ATC

c)

GCA GCA ATC

d)

GCA TAC ACT

25.

What do we call a SINGLE change in the nucleotide, that may or may not affect the amino acid outcome?

a)

Basic Mutation

b)

Point Mutation

c)

Frameshift Mutation

d)

Alternate Mutation