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Worksheets

Central Dogma

Total questions: 30

Worksheet time: 3600secs

Name
Class
Date
1.

DNA can best be described as...

a)

an organelle of the cell

b)

ribonucleic acid

c)

a blueprint for a living thing

d)

a protein

2.

The central dogma is the framework for how genetic info flows from DNA to a(n)...

a)

protein

b)

DNA

c)

mRNA

d)

tRNA

3.

DNA is stored in the...

a)

ribosome

b)

cytoplasm

c)

lysosome

d)

nucleus

4.

T or F: Skin cells have the same DNA as muscle cells.

a)

True

b)

False

5.

Genes are segments of DNA that code for a...

a)

protein that expresses a certain trait

b)

trait

c)

ribosome

d)

chromosome

6.

What allows different cells in the body (muscle, skin, nerve, ect.) to have different roles?

a)

They have different DNA

b)

They have different instructions

c)

They use different parts (genes) of the same DNA molecule

d)

All cells have the same role

7.

Which answers choice does NOT describe the shape of DNA

a)

twisted

b)

double helix

c)

double stranded

d)

circular

8.

What is the monomer of DNA?

a)

ribosome

b)

nucleotide

c)

mRNA

d)

protein

9.

which of the following is NOT one of the three parts of a nucleotide?

a)

Deoxyribose Sugar

b)

Phosphate

c)

Ribose Sugar

d)

Nitrogen Base

10.

These two parts of a nucleotide form the backbone or sides of the DNA molecule.

a)

Sugar and base

b)

Sugar and phosphate

c)

Phosphate and base

d)

Base and sugar

11.

Which correctly describes how the bases pair?

a)

A-G

b)

T-A

c)

C-A

d)

C-C

12.

Replicate (complimentary base pair) the following DNA strand: AGGCT

a)

UCCGA

b)

TCCGU

c)

AGGCT

d)

TCCGA

13.

Which of the following describes DNA replication?

a)

DNA to DNA

b)

DNA to mRNA

c)

DNA to protein

d)

DNA to amino acids

14.

DNA Replication can best be describes as...

a)

Conservative

b)

Semiconservative

c)

Dispersive

d)

Chunked

15.

DNA Replication occurs in the...

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Lysosome

16.

What is the role of helicase in DNA Replication?

a)

DNA base pairing

b)

uncoiling and unzipping

c)

RNA base pairing

d)

Copying

17.

What is the role of DNA polymerase in DNA Replication?

a)

DNA base pairing

b)

uncoliing and unzipping

c)

RNA base pairing

d)

untwisting

18.

Transcription can best be described as...

a)

DNA to DNA

b)

DNA to mRNA

c)

DNA to protein

d)

DNA to amino acids

19.

Transcription occurs where in the cell?

a)

nucleus

b)

cytoplasm

c)

ribosome

d)

lysosome

20.

In transcription, an A in the DNA pairs with what base?

a)

A

b)

T

c)

U

d)

G

21.

What enzyme makes the mRNA in Transcription

a)

Helicase

b)

DNA polymerase

c)

RNA polymerase

d)

Transcriptase

22.

Transcribe the following strand of DNA: GCACT

a)

GCACT

b)

CGTGA

c)

CGUGA

d)

CGAGU

23.

Translation can best be described as...

a)

DNA to DNA

b)

DNA to mRNA

c)

DNA to protein

d)

mRNA to protein

24.

Translation occurs where in the cell?

a)

nucleus

b)

ribosome

c)

lysosome

d)

mitochondria

25.

What is a codon?

a)

3 bases on DNA

b)

3 bases of mRNA

c)

1 base of DNA

d)

1 base of mRNA

26.

What is the role of tRNA in translation?

a)

tRNA brings the mRNA to the ribosome

b)

tRNA edits the mRNA

c)

tRNA brings the correct amino acids to the ribosome

d)

tRNA assembles the ribosome

27.

A codon codes for...

a)

a whole protein

b)

mRNA

c)

an amino acid

d)

DNA

28.

AUG codes for

a)

met

b)

lys

c)

val

d)

pro

29.

GAU codes for...

a)

Ala

b)

Gly

c)

Ser

d)

Asp

30.

UAU codes for...

a)

Tyr

b)

Leu

c)

Cys

d)

His