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DNA and Protein Synthesis

Total questions: 40

Worksheet time: 3600secs

Name
Class
Date
1.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

2.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

3.

During translation, this type of ribonucleic acid is responsible for delivering amino acids to help make a protein.

a)

mRNA

b)

rRNA

c)

tRNA

d)

dRNA

4.

There are a total of ____ different amino acids

a)

20

b)

1

c)

4

d)

unlimited

5.

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

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

6.

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

7.

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

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

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

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

a)

True

b)

False

10.
The information about an organism’s heredity is stored in its DNA. DNA is located in the cell’s _____________________. 
a)
mitochondria
b)
lysosomes
c)
nucleus
11.
·  Copying and carrying the genetic code is the responsibility of which molecule?
a)
RNA
b)
Glucose
c)
Oxygen
12.
The base Uracil is only found in which molecule?
a)
DNA
b)
RNA
c)
Carbohydrates
13.
DNA never leaves the nucleus
a)
True
b)
False
14.
Proteins are made of which molecule?
a)
Amino Acids
b)
Lipids
c)
Carbohydrates
15.
What does transcription mean?
a)
To make a copy
b)
To erase
c)
To run away
16.
DNA is a double helix.
a)
True
b)
False
17.
RNA is a double helix
a)
True
b)
False
18.
An organism's DNA is a code to make proteins.
a)
True
b)
False
19.
Who is credited for discovering the shape of DNA?
a)
James Lebron and Francis Oneill
b)
James Watson and Francis Crick
c)
Henry Ford
d)
Rosalind Franklin
20.
What 3 things make up a nucleotide?
a)
Sugar, Phosphate, Nitrogen Base
b)
Sugar, Hydrogen, Carbon
c)
Carbon, Phosphate, Nitrogen
d)
mRNA, tRNA and rRNA
21.
What is assembled during transcription?
a)
transfer RNA
b)
messenger RNA
c)
DNA replication
d)
court proceedings
22.
What is made during translation?
a)
transfer RNA
b)
messenger RNA
c)
Proteins
d)
Spanish Rice
23.
What stores the code for making an individual protein?
a)
DNA
b)
a gene
c)
a chromosome
d)
transfer RNA
24.
What is another name for a protein?
a)
a chain of amino acids
b)
polypeptide
c)
codon
d)
anticodon
25.
What amino acid is coded for by the mRNA UCU?
a)
Serine
b)
Arginine
c)
Glycine
26.
What amino acid would be coded for by the DNA AAA?
a)
Lysine
b)
Phenylalanine
c)
Leucine
27.
A 3 nucleotide sequence of mRNA
a)
codon
b)
anticodon
28.
a 3 nucleotide sequence of tRNA
a)
codon
b)
anticodon
29.
Deoxyribose is the sugar in RNA
a)
True
b)
False
30.
The site of protein synthesis?
a)
nucleus
b)
ER
c)
Ribosome
d)
Golgi Body
31.
The two strands of DNA are held together by:
a)
Hydrogen Bonds
b)
Phosphodiester Bonds
c)
Glycolsyl Bonds
d)
Glycosidic Linkages
32.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
33.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
34.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
35.

Transcribe the following DNA strand: CTG AAT

a)

GAC TTA

b)

CTG AAT

c)

GAC UUA

d)

CUG AAU

36.
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
37.
One difference between DNA and RNA is that RNA....
a)
is double stranded 
b)
contains the base Thymine
c)
contains the base Uracil 
d)
contained the base Guanine
38.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
39.
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
40.

Which of the following make up a nucleotide?

a)

Sugar, phosphate, and base

b)

Sugar, nitrate, and base

c)

Lipid, phospate, and sugar

d)

Protein, phosphate, and base

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