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Protein Synthesis

Total questions: 46

Worksheet time: 28mins

Name
Class
Date
1.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
2.
What do we call the process of turning DNA into mRNA?
a)
Translation
b)
Transcription 
c)
Replication
3.
Amino acids are the building blocks of... 
a)
DNA
b)
RNA
c)
Atoms
d)
Proteins
4.
When DNA is transcribed to RNA.... 
a)
A pairs with U
b)
C pairs with U
c)
A pairs with T
d)
C pairs with T
5.
In translation, C pairs with 
a)
U
b)
G
c)
A
d)
T
6.
Which of the following best describes a DNA molecule? 
a)
contains ribose 
b)
made of amino acids
c)
contains Uracil
d)
double helix
7.

Where does transcription take place in a eukaryotic cell?

a)
nucleus
b)
cytoplasm
c)
ribosome
8.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
9.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
10.
Codons contain ______ bases
a)
1
b)
3
c)
6
d)
9
11.
Which is the organelle that makes proteins?
a)
Nucleus
b)
Ribosomes
c)
Rough ER
d)
Golgi Apparatus
12.
Brings the amino acids to the ribosome
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
13.
Which RNA bases would pair with TAC  in transcription? 
a)
AUG
b)
ATG
c)
GCA
d)
GCA
14.
A triplet (3 bases)  of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
15.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
16.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA  ACT
a)
4
b)
3
c)
6
d)
2
17.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
18.
Amino acids are joined together in order to form
a)
DNA
b)
ribosomes
c)
proteins 
d)
RNA
19.
What do we call the process of turning DNA into mRNA?
a)
Translation
b)
Transcription 
c)
Replication
20.
What is the function of mRNA?
a)
storage of food
b)
prevents mutations
c)
provides energy
d)
carries genetic message 
21.

The 3 letters found on tRNA are referred to as

a)

an amino acid

b)

the anticodon

c)

the codon

d)

the bases

22.

If a strand of DNA had bases in the following order - ATCCGTC, what would be the transcribed mRNA sequence?

a)

TAGGCAG

b)

UAGGCAG

c)

TUGGCUG

d)

None of the above are correct

23.

Use the codon chart to determine which of the amino acid sequence is represented correctly: (Hint: mRNA must be used to determine the AA sequence! If its NOT in mRNA, put it in mRNA)

AUU CGC AUC

a)

tyrosine, alanine, stop

b)

stop, alanine, tyrosine

c)

start, arginine, methionine

d)

Isoleucine, arginine, isoleucine

24.

A strand of messenger RNA is transcribed from an original strand of DNA. The original DNA base strand were TACG. What is the base sequence on the RNA strand produced?

a)

ATGC

b)

AUGC

c)

TAGC

d)

UACG

25.

Which of the following polypeptides are coded for by the mRNA sequence


5' AUG GUU AAA 3'

a)

Val, Lys, Phe

b)

Met, Asp, Phe

c)

Met, Val, Lys

d)

Ile, Gln, Lys

26.

A sequence of a DNA template strand is shown.


3' TCC AAT GGC TTA 5'


Which of these is the correct amino acid chain produced from the DNA template strand? (Hint: mRNA must be used to determine the AA sequence! If its NOT in mRNA, put it in mRNA)

a)

Arginine, Leucine, Proline, Asparagine

b)

Tryptophan, Phenylalanine, Leucine, Asparagine

c)

Serince, Leucine, Proline, Asparagine

d)

Tryptophan, Phenylalanine, Leucine, Glycine

27.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
28.
Which amino acid pairs with the codon AGA
a)
Thr
b)
Arg
c)
Ala
d)
Glu
29.

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

a)

Met-Ala-Asp-Ala

b)

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

c)

Ileu-Ala-Asp-Ala

d)

Met-Ala-Asp-Arg

30.

For the mRNA or DNA given, choose the amino acid that would be translated.

Codon: GCA

a)

Valine

b)

Serine

c)

Alanine

d)

Glycine

31.

For the mRNA or DNA given, choose the amino acid that would be translated.

Codon: AUA

a)

Isoleucine

b)

Asparagine

c)

Methionine

d)

Tyrosine

32.

For the mRNA or DNA given, choose the amino acid that would be translated.

Codon: CAU

a)

Isoleucine

b)

Histidine

c)

proline

d)

Glutamine

33.

There are a total of ____ different amino acids

a)

20

b)

1

c)

4

d)

unlimited

34.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
35.

Which anticodon would be placed in spot #2

a)

GGC

b)

CCA

c)

GGA

d)

GGT

36.

Which process does this diagram illustrate?

a)

transcription

b)

DNA replication

c)

translation

37.

What determines the shape and function of a protein?

a)

The sequence of amino acids

b)

The type of ribosome that assembles the protein

c)

The cell that manufactures the protein

38.

What breaks the H- bonds in order for DNA to separate during replication and protein synthesis?

a)

Enzyme

b)

nitrogen bases

c)

the nucleus

d)

RNA

39.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
40.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

41.

Which of the following is a characteristic of RNA?

a)

Double stranded

b)

Contains the base Thymine

c)

Can leave the nucleus

d)

Contains the sugar deoxyribose

42.
The anti-codon 
a)
contains a sequence the same as the codon
b)
contains a sequence complementary to the codon 
c)
contains the base thymine
43.
Which process is happening in this picture?
a)
Transcription
b)
Translation
c)
Replication
44.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
45.
Which of the following is the template for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
46.
Which of the following best describes how DNA and RNA are similar?
a)
they both contain A and T
b)
They both have a double helix
c)
They are both composed of 5 different nucleotides
d)
they both have C and G

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