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Protein Synthesis

Total questions: 94

Worksheet time: 3580secs

Name
Class
Date
1.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
2.

The mRNA leaves the ________ to find the ribosome to make proteins.

a)

cell

b)

nucleotide

c)

nucleus

d)

mitochondrion

3.

DNA holds the code for making

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

4.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

5.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
6.
Contains the bases adenine, uracil, cytosine and guanine
a)
DNA
b)
RNA
c)
Both
7.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
8.

The mRNA leaves the ________ to find the ribosome to make proteins.

a)

cell

b)

nucleotide

c)

nucleus

d)

mitochondrion

9.

DNA holds the code for making

a)

lipids

b)

carbohydrates

c)

proteins

d)

sugars

10.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

11.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
12.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
13.
Contains the bases adenine, uracil, cytosine and guanine
a)
DNA
b)
RNA
c)
Both
14.
What part of protein synthesis does this diagram represent?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA
15.
What molecules do both DNA and RNA contain?
a)
uracil
b)
nucleotides
c)
thymine
d)
deoxyribose
16.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
17.
Which of the following is the template for the production of RNA within a cell?
a)
DNA
b)
protein
c)
ATO
d)
carbohydrate
18.
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
19.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
20.

What is the location in the cell for translation?

a)

nucleus

b)

mitochondria in cytoplasm

c)

ribosome in cytoplasm

d)

chloroplast in cytoplasm

21.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
22.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
23.
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
24.

Where are proteins assembled (put together) in a cell?

a)

Nucleus

b)

Ribosome

c)

Cell Membrane

d)

Muscles

25.
Which is not one of the three types of RNA?
a)
mRNA (messenger)
b)
rRNA (ribosomal)
c)
tRNA (transfer)
d)
nRNA (nitrogen)
26.
The codon (set of 3 nitrogen bases) codes for 1 of 20
a)
endoplasmic reticulum
b)
RNA
c)
genes
d)
amino acids
27.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

28.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

29.

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

30.

Which of the following is a codon?

a)
b)

ATG

c)

AUG

d)

AUT

31.

How many codons equals 1 amino acid?

a)

1

b)

2

c)

3

d)

4

32.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

33.

On which molecule can an anticodon be found?

a)

mRNA

b)

DNA

c)

tRNA

d)

rRNA

34.

Where is the anticodon located?

a)

at the top of the molecule it's found on

b)

at the bottom of the molecule it's found on

c)

on the right of the molecule it's found on

d)

on the left of the molecule it's found on

35.

What is the purpose for anti-codons?

a)

to ensure the correct amino acid is dropped off

b)

to match the strand of DNA

c)

to decode a sequence of 4 nucleotides into an amino acid

d)

to make me hate biology

36.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

37.

Which two thing are found on a molecule of tRNA?

a)

amino acids; anticodons

b)

amino acids; codons

c)

ribose sugar; proteins

d)

deoxyribose sugar; codons

38.

How do you know when to begin translating a strand of mRNA?

a)

look for AUG

b)

start at the beginning

c)

look for ATG

d)

when Ms. H tells me to

39.

How do you know when to STOP translating a strand of mRNA?

a)

look for STOP on the decoder

b)

stop at the end of the strand

c)

you don't

d)

when Ms. H tells me to

40.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

41.

TRANSLATE this RNA sequence: AUGCAAUGA

a)

Met-Glu-Stop

b)

Met-His-Stop

c)

Thr-Glu-Stop

d)

Thr-Pro-Stop

42.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
43.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
44.

A DNA nucleotide may be made up of a phosphate group, along with

a)

deoxyribose sugar and uracil

b)

ribose sugar and cytosine

c)

deoxyribose sugar and thymine

d)

ribose sugar and adenine

45.

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

46.

The important enzyme related with transcription is;

a)

gyrase

b)

DNA polymerase

c)

RNA polymerase

d)

ligase

47.
What are proteins made of?
a)
DNA
b)
RNA
c)
Amino acids
48.
What happens during transcription?
a)
DNA is made into amino acids
b)
DNA is made into mRNA
c)
DNA is made into a protein
49.
Where does translation take place?
a)
Nucleus
b)
Ribosome
c)
Mitochondria
50.
What is process #1 and where is it located?
a)
transcription, nucleus
b)
translation, nucleus
c)
transcription, ribosomes
d)
translation, ribosomes
51.
What process is #2 and where is it located?
a)
transcription, nucleus
b)
translation, nucleus
c)
transcription, ribosomes
d)
translation, ribosomes
52.

What's does the question mark in the picture represent?

a)

mRNA

b)

amino acids

c)

tRNA

d)

Codon

e)

ribosome

53.

What's does the question mark in the picture represent?

a)

mRNA

b)

amino acids

c)

tRNA

d)

Codon

e)

ribosome

54.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
55.

What process is happening in the diagram?

a)

transcription

b)

translation

c)

dna replication

d)

mitosis

56.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
57.
I include the bases guanine, cytosine, and adenine.
a)
DNA
b)
RNA
c)
Both DNA and RNA
58.
The primary sequence of a protein refers to the:
a)
Order of amino acids
b)
α-Helix or β-Pleated Sheet
c)
Interaction of subunits
d)
Hydrogen Bonding
59.
What happens during transcription?
a)
DNA is made into amino acids
b)
DNA is made into mRNA
c)
DNA is made into a protein
60.
The three bases in mRNA, are called codons, what are corresponding bases in tRNA?
a)
codon
b)
anticodon
c)
transcriptase
d)
hydrogen bonds
61.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
62.
Where are codons located?
a)
tRNA
b)
DNA
c)
mRNA
63.

rRNA makes up what organelle of the cell?


a)

Nucleus

b)

Cytoplasm

c)

Ribosome

d)

Mitochondria

64.

What is the structure shown in the middle of the pink box?

a)

tRNA

b)

Amino Acid

c)

Anticodon

d)

Codon

65.

What is the structure shown in the middle of the pink box?

a)

tRNA

b)

Amino Acid

c)

Anticodon

d)

Codon

66.

What is the structure shown in the middle of the pink box?

a)

tRNA

b)

Amino Acid

c)

Anticodon

d)

Codon

67.

What is the structure shown in the image?

a)

tRNA

b)

mRNA

c)

rRNA

d)

xRNA

68.

Which codon below is the code for Leucine?

a)

UUA

b)

UUC

c)

AUU

d)

CUA

69.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
70.

Which of the following statements is correct about the differences between DNA and RNA?

a)

RNA contains the same bases as DNA, except uracil is present instead of guanine

b)

DNA is not present in prokaryotes, while RNA is

c)

DNA is present as a single-stranded molecule while RNA is double-stranded

d)

The sugar molecule in RNA has one more hydroxyl group than the sugar molecule in DNA

71.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
72.
When transferring tRNA to amino acids, the process cannot begin until it reaches a...
a)
Beginning codon
b)
Start codon 
c)
Initiator codon
d)
Anticodon
73.
What process is occurring in this photo?
a)
Transcription
b)
DNA unwinding
c)
Translation
d)
Transfer RNA is creating bases
74.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?
a)
 Met-Pro-Val-Stop
b)
Met-Pro-Arg-Stop
c)
 Tyr-Gly-His
d)
Tyr-Gly-Arg-His
75.

During Transcription, DNA is converted into ____

a)

mRNA

b)

tRNA

c)

rRNA

d)

a Protein

76.

During Translation, mRNA is converted into a _______

a)

DNA

b)

Protein

c)

tRNA

d)

rRNA

77.

the tRNA carries an

a)

Amino Acid

b)

Polysaccaride

c)

Lipid

d)

DNA

78.

Many amino acids and put together and folded up to form a ______

a)

Protein

b)

DNA strand

c)

mRNA strand

d)

Carbohydrate

79.

During transcription, DNA is converted in mRNA inside the _______.

a)

Cell Membrane

b)

Ribosome

c)

Nucleus

d)

Cytoplasm

80.

During Translation, mRNA finds a ________ to make a protein.

a)

Nucleus

b)

Ribosome

c)

Amino Acid

d)

Mitochondria

81.

Which nitrogen base is in the DNA, but is NOT in the mRNA?

a)

Thymine

(T)

b)

Cytosine

(C)

c)

Guanine

(G)

d)

Adenine

(A)

82.

Match the DNA codon ATC to the correct mRNA codon.

a)

UAG

b)

AUC

c)

TAG

d)

UUG

83.

Match the DNA codon GCA to the correct mRNA codon

a)

CCU

b)

GCT

c)

CGU

d)

CGA

84.

Match the mRNA codon UUA to the correct tRNA anti-codon

a)

AAT

b)

AAU

c)

AUA

d)

ATA

85.

Use your codon chart to match the mRNA CUU to the correct amino acid

a)

VAL

b)

TYR

c)

LEU

d)

PHE

86.

Use your codon chart to match the mRNA ACU to the correct amino acid.

a)

Thr

b)

Ala

c)

Val

d)

Gly

87.

Amino Acids are built up to make_______

a)

DNA

b)

mRNA

c)

Lipids

d)

Proteins

88.

Amino acids form a polypeptide chain that is then folded up to form a protein, what type of bond holds together a polypeptide chain?

a)

Hydrogen Bonds

b)

Polypeptide Bonds

c)

Nitrogen Bonds

d)

Carbon Bonds

89.

Use your codon chart to find the amino acid that codes for AGU

a)

Tyr

b)

Gly

c)

Arg

d)

Ser

90.

Use your codon chart to find the amino acid that codes for the mRNA codon GCA

a)

Thr

b)

Ala

c)

Pro

d)

Ser

91.

Use your codon chart and find the amino acid that codes for the mRNA codon UAA

a)

Phe

b)

Tyr

c)

START

d)

STOP

92.

Ribosomes make ________

a)

DNA

b)

Proteins

c)

Amino Acids

d)

Lipids

93.

Use your codon chart to figure out what amino acid codes for the mRNA codon AUG

a)

START

(Met)

b)

Ile

c)

Val

d)

Leu

94.

Amino Acids form a __________ ____ that is then folded into a protein

a)

Polypeptide Chain

b)

Protein Chain

c)

Carbohydrate

d)

Deoxyribose Nucleic Acid

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