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DNA and Protein Synthesis

Total questions: 56

Worksheet time: 54mins

Name
Class
Date
1.

What makes up the SIDES of a DNA ladder?

a)

nitrogen bases

b)

sugars & phosphates

c)

genes & chromosomes

d)

RNA

2.

What makes up the rungs (steps) of a DNA ladder?

a)

sugars & phosphates

b)

nitrogen bases

c)

sugars

d)

genes & chromosomes

3.

What SHAPE is DNA?

a)

single strand

b)

straight ladder

c)

double helix (twisted ladder)

d)

DNA has no shape

4.

In DNA. what base always pairs with A?

a)

A

b)

T

c)

C

d)

G

5.

In DNA, what base always pairs with C?

a)

C

b)

T

c)

A

d)

G

6.

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand?

AATTGGCC

a)

AATTGGCC

b)

TTAACCGG

c)

GGCCAATT

d)

GACTGACT

7.

What is DNA made up of?

a)

nucleotides

b)

cytoplasm

c)

RNA

d)

cells

8.

Which is NOT one of the three parts of a nucleotide?

a)

sugar

b)

base

c)

ribosome

d)

phosphate

9.

In what cell part is the DNA located?

a)

ribosome

b)

cytoplasm

c)

mitochondria

d)

nucleus

10.

What is a section of DNA that codes for a specific protein called?

a)

RNA

b)

replication

c)

gene

d)

protein

11.

What is it called when DNA makes a copy of itself?

a)

Translation

b)

Replication

c)

Mitosis

d)

Gene therapy

12.

TRUE or FALSE? During DNA replication, the two new copies of DNA formed are IDENTICAL

a)

True

b)

False

13.

During protein synthesis, DNA sends mRNA out of the nucleus to make what?

a)

identical DNA molecules

b)

genes

c)

proteins

d)

fats

14.

How is RNA different than DNA?

a)

It is 2 stranded

b)

It has the sugar deoxyribose

c)

It has the base U instead of T

d)

It is not different- RNA is identical to DNA

15.

What are proteins made of?

a)

Amino acids

b)

chloroplasts

c)

guanine

d)

carbohydrates

16.

What does DNA stand for?

a)

Deoxyribonucleic acid

b)

Diribose nutride acidosis

c)

Dinitro acid

d)

Deoxynitrogenic acid

17.

Fill in the matching bases that would appear on the top strand of the DNA molecule pictured, in order.


A G T C A T G A

a)

A G T C A T G A

b)

T T T A A A C C

c)

T C A G T A C T

d)

C A T G A G A T

18.
Which enzyme has the job of unzipping the double helix?
a)
Helicase
b)
Polymerase
c)
Ligase
d)
Primerase
19.
DNA replication turns one strand of DNA into two new strands of DNA. What percent of each new strand is the old strand?
a)
Half of each new DNA is the old DNA
b)
The old strand of DNA was digested, so none
c)
The new DNA is entirely made up of the old DNA
d)
About every sixth base comes from the old DNA
20.
Sometimes, DNA is called "semi-conservative." Why might this be?
a)
The old strand is "conserved" and used to make the new strands
b)
Uracil is "conserved" in that it is only used to make the new strands
c)
ATP is "conserved" via the usage of facilitated diffusion
d)
Ligase is "conserved" in that it is denatured by the process
21.

What part of the cell cycle does replication occur?

a)

S phase

b)

Prophase

c)

Metaphase

d)

G1

22.
I am single stranded.
a)
DNA
b)
RNA
c)
Both DNA and RNA
23.
I am a nucleic acid.
a)
DNA
b)
RNA
c)
Both DNA and RNA
24.
I have the sugar ribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
25.
I have the sugar deoxyribose.
a)
RNA
b)
DNA
c)
Both DNA and RNA
26.
I include the bases guanine, cytosine, and adenine.
a)
DNA
b)
RNA
c)
Both DNA and RNA
27.
I have the base uracil.
a)
RNA
b)
DNA
c)
Both DNA and RNA
28.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
29.

What is the job of ribosomes?

a)

make proteins

b)

store energy

c)

create covalent bonds

d)

create hydrogen bonds

30.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

31.

Which of the following is NOT a base in RNA?

a)

Adenine

b)

Thymine

c)

Uracil

d)

Cytosine

32.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

33.

Why must transcription occur where DNA can be found?

a)

because DNA can't leave

b)

because ribosomes are in the nucleus

c)

because DNA polymerase is found there

d)

because helicase unzips the DNA

34.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

35.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

36.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

37.

Which of the following are differences in the structure between RNA and DNA

a)

DNA uses deoxyribose sugar, RNA uses sugar ribose

b)

DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

c)

DNA is a double helix, RNA is a single helix

d)

DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

38.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

39.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

40.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
41.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
42.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
43.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
44.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
45.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
46.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
47.
Which statement is describing the process of protein synthesis?
a)
DNA is copied into mRNA which is translated into protein
b)
DNA is copied into DNA
c)
DNA is copied into lysosome
48.
DNA sequence ACCTG produces which mRNA strand? 
a)
UGGAC
b)
TGGAC
c)
GTCCA
49.

How many codons: AAU GCG AUG

a)

9

b)

1

c)

3

d)

15

50.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

51.
tRNA is involved in
a)
carrying amino acids 
b)
carrying ribosomes
c)
carrying glucose
d)
carrying lipids
52.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
53.
The codon CCU codes for what amino acid?
a)
Isoleucine
b)
Stop
c)
Methionine
d)
Proline
54.
Which amino acid pairs with the codon AGA
a)
Thr
b)
Arg
c)
Ala
d)
Glu
55.

What amino acid would be added to the protein being formed during translation if the mRNA codon reads "AUG?"

a)

Phenylalanine

b)

Tyrosine

c)

Leucine

d)

Methionine

56.

What is the correct amino acid sequence for the mRNA code AUG GCA AAC CGU

a)

Met-Ala-Asn-Ala

b)

Met-Ala (because the third codon codes for STOP)

c)

Ileu-Ala-Asn-Ala

d)

Met-Ala-Asn-Arg

e)

Ileu-Ala-Asn-Ala

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