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Protein Synthesis

Total questions: 38

Worksheet time: 42mins

Name
Class
Date
1.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

2.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
3.

Which organelle contains rRNA and reads the mRNA to synthesize a protein?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

4.

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

GTACAT

a)

CATGTA

b)

GAUCUA

c)

CAUGUA

d)

CUTGTU

5.

What brings the amino acids to the ribosome to assemble a protein?

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

6.

How many nucleotides code for 1 amino acid?

a)

1

b)

2

c)

3

d)

4

7.

When these bond together, they form a protein.

a)

Amino Acids

b)

monosaccharides

c)

fatty acids

d)

Nucleotides

8.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
9.

Which process does this diagram illustrate?

a)

transcription

b)

DNA replication

c)

translation

10.

True or False: mRNA contains anticodons and tRNA contains codons.

a)

True

b)

False

11.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

12.

Which of the following is the complementary mRNA sequence to this DNA strand: AAC TGA

a)

UUG ACU

b)

TTG ACT

c)

AAC TGA

d)

AAC UGA

13.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
14.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
15.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
16.
Genetic info flows in one direction. Which best represents this flow?
a)

Protein-> RNA-> DNA

b)

RNA-> protein-> DNA

c)

DNA-> RNA-> protein

17.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
18.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

19.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
20.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
21.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
nucleic acids
c)
lipids
d)
proteins
22.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
23.

Look at the diagram. It shows a step in translation.

What is the purpose of the strand labeled “G”?

a)

To act as a template for the synthesis of messenger RNA.

b)

To carry the code from the DNA molecule to the ribosome.

c)

To pick up and transfer specific amino acids to the ribosome.

d)

To pick up and transfer proteins outside of the cell.

24.

Look at the codon chart and use it to answer the following question.

Which amino acid does the mRNA codon CAU code for?

a)

Methionine

b)

Tyrosine

c)

Valine

d)

Histidine

25.

What determines the type of protein produced by a ribosome

a)

amount of sugar

b)

sequence of DNA nucleotides

c)

sequence of phosphates

26.

Which type of RNA transfers amino acids to the ribosome during translation?

a)

tRNA

(transfer)

b)

mRNA

(messenger)

c)

rRNA

(ribosomal)

d)

mRNA

(mitochondrial)

27.

Which type of RNA is a transcript made from DNA that travels to the ribosome?

a)

tRNA

b)

mRNA

c)

rRNA

d)

eRNA

28.

What is the correct sequence?

a)

DNA -> RNA -> protein

b)

Protein -> DNA - > RNA

c)

DNA -> Protein -> RNA

29.

What is the first step of protein synthesis?

a)

Translation

b)

Replication

c)

Transcription

d)

Duplication

30.

DNA is located in the

a)

Nucleus

b)

Cytoplasm

31.

Uracil is found in

a)

RNA

b)

DNA

32.

tRNA has a complementary strand to mRNA which is called?

a)

codon

b)

anticodon

33.

proteins are made in the

a)

nucleus

b)

ribosome

34.

This is the process that converts mRNA into a protein

a)

Translation

b)

Transcription

35.

What is the term for a three-nucleotide sequence on mRNA that codes for an amino acid?

a)
base
b)
codon
c)
amine
36.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
37.

In DNA, adenine always pairs with:

a)

thymine

b)

cytosine

c)

guanine

d)

uracil

38.

A gene is

a)

a segment of DNA that codes for a protein

b)

a set of homologous chromosomes

c)

a molecule within DNA

d)

a type of pants

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