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Protein Synthesis

Total questions: 30

Worksheet time: 35mins

Name
Class
Date
1.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
2.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
3.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
4.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
5.
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
6.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
7.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
8.
tRNA molecules match the mRNA codons with a(n):
a)
Codon
b)
Anti-Codon
c)
Intron
d)
Methylated Cap
9.
When the Ribosome reaches ________________ the process of translation stops
a)
Stop Codon
b)
Okazaki Fragment
c)
Terminator
d)
taq Polymerase
10.
Translation begins with a(n):
a)
Start Codon
b)
Intron
c)
Promoter
d)
Origin
11.
Translation is a process that produces
a)
mRNA
b)
Protein
c)
Polypeptide Chains
d)
tRNA
12.
The process of copying a gene's DNA sequence into a sequence of RNA is called:
a)
Transcription
b)
Translation
c)
Splicing
d)
Protein Synthesis
13.
How many nucleotides are in 12 mRNA codons?
a)
12
b)
24
c)
36
d)
48
14.
How many different amino acids are there?
a)
15
b)
20
c)
40
d)
100
15.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
16.
In comparison to a DNA strand, a 
a)
mRNA strand is shorter and single stranded
b)
mRNA strand is longer and single stranded
c)
mRNA strand is shorter and double stranded
d)
mRNA strand is longer and double stranded
17.
Codons contain ______ bases
a)
1
b)
3
c)
6
d)
9
18.
The five carbon sugar found in RNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
19.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
20.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
21.

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

22.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
23.

All organisms need proteins and go through transcription and translation. This is called the

a)

Central dogma of Biology

b)

protein synthesis

c)

semi conservative replication

d)

hierarchy of organisms

24.

During replication, the DNA molecule is unzipped. What is the final product of this process

a)

two parent strands and two new daughter strands

b)

one parent strand and two identical daughter strands

c)

a new identical daughter strands of DNA

d)

replication has no final product

25.

Genes have variations in DNA sequence...

a)

called alleles that are on the nucleotides

b)

called alleles that are on different chromosomes

c)

called alleles that are on the same chromosome

26.

_______ is an enzyme that unzips DNA while ________ base pairs and proofreads it.

a)

polymerase, helicase

b)

cellulase, polymerase

c)

helicase , polymerase

d)

helicase, tRNA

27.

Which process of Protein synthesis is plays the key role in "protecting" the genetic code.

a)

replication

b)

Transcription

c)

translation

d)

exocytosis

28.

What bonds hold amino acid chains together

a)

covalent

b)

peptide

c)

hydrogen

d)

amino

29.

If a DNA is sequenced and has 45% guanine, what percent is the cytosine?

a)

5

b)

10

c)

45

d)

90

30.

This is a

a)

amino acid

b)

polypeptide chain

c)

allele

d)

codon

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