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DNA and Protein Synthesis Review

Total questions: 35

Worksheet time: 32mins

Name
Class
Date
1.

The D in DNA stands for

a)

double stranded

b)

deoxyribo

c)

denature

d)

dicarbo

2.

Which of the following is NOT part of a nucleotide

a)

sugar

b)

phosphate

c)

nitrogen base

d)

amino acid

3.

Adenine pairs with

a)

Thymine

b)

Thyme

c)

Guanine

d)

Glutamine

4.

The backbone of DNA is made of

a)

base pairs

b)

sugars and phosphates

c)

only sugars

d)

only phosphates

5.

The two strands of DNA are held together with

a)

covalent bonds

b)

hydrogen bonds

c)

nothing

6.

One function of DNA is to

a)

code for proteins

b)

code for lipids

c)

code for carbohydrates

7.

The first step in DNA replication is

a)

to unwind and unzip the two strands

b)

to break the backbone in half so the sequence can be copies

c)

to attach new nucleotides

d)

to proof read the sequence

8.

The DNA sequence is TTA CCG What is the complementary sequence?

a)

TTA CCG

b)

AAT GGC

c)

GGC AAT

9.

The DNA sequence is ATG what is the complementary sequence?

a)

ATG

b)

GTA

c)

TAC

10.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
11.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
12.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
13.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
14.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
15.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
16.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
17.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
18.

Which of the following is a base pair?

a)

Adenine - Cytosine

b)

Cytosine - Thymine

c)

Deoxyribose - Cytosine

d)

Cytosine - Guanine

19.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
20.

What is the correct matching sequence to the following DNA Strand?

ATTCGCGA

a)

TAAGCGCT

b)

TAAGAGCT

c)

TAAGCGCA

d)

CAAGCGCT

21.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
22.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
23.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
24.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
25.

The pink, yellow, green, and blue "steps" in the DNA ladder represent

a)

Nitrogen Bases

b)

Phosphate group

c)

Sugar-Phosphate Backbone

d)

Nucleotides

26.

The red and blue ribbons represent

a)

Nitrogen Bases

b)

Phosphate group

c)

Sugar-Phosphate Backbone

d)

Nucleotides

27.

A STRAND OF AMINO ACIDS BOND TOGETHER TO FORM______

a)

AMINO ACIDS

b)

FATS

c)

PROTEIN

28.

#2 IS A RIBOSOME READING THE MRNA CODE AND ASSEMBLING AMINO ACIDS AT THE TOP, THIS PROCESS IS CALLED

a)

REPLICATION

b)

TRANSLATION

c)

TRANSCRIPTION

29.

AAA BUILDS WHAT PROTEIN

a)

ASPARAGINE

b)

LYSINE

c)

SERINE

d)

ARGININE

30.

Which amino acid belongs to the codon GGG?

a)

Pro

b)

Ala

c)

Gly

d)

Glu

31.

Which of the following proteins code for the mRNA sequence? AUGGUUAAACGACAAUCC

a)

Val, Lys, Phe, Gly, Ser

b)

Met, Asp, Phe, Ala, Arg

c)

Met, Val, Lys, Arg, Gln, Ser

d)

Ile, Gln, Lys, Asp, Gly, Leu, Ser

32.

What is a codon?

a)

3 mRNA bases

b)

DNA Nucleotide

c)

Mutations

d)

Codes for an Amino Acid

33.

Transcribe the following DNA strand into mRNA: ATCGAC

a)

UACGUG

b)

TAGCTG

c)

UAGCUG

d)

UAGCTG

34.

What are the amino acids for the following codons: AUG CCU UAA?

a)

Methionine Proline Stop

b)

Methionine Proline Tyrosine

c)

Methionine Histidine Stop

d)

Stop Proline Methionine

35.

The shape of the DNA molecule is said to resemble:

a)

a docking port

b)

a tower

c)

a spiral staircase

d)

a circle

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