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DNA and Protein Synthesis 2023

Total questions: 62

Worksheet time: 59mins

Name
Class
Date
1.
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
2.
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
3.
What makes DNA different from RNA?
a)
they type of phosphate
b)
the type of sugar
c)
having C pair with G
d)
Having A's
4.
What is another name for a protein?
a)
a chain of amino acids
b)
polypeptide
c)
codon
d)
anticodon
5.
Deoxyribose is the sugar in RNA
a)
True
b)
False
6.
The site of protein synthesis?
a)
nucleus
b)
ER
c)
Ribosome
d)
Golgi Body
7.
Which type of RNA delivers the genetic code to the ribosome?
a)
tRNA
b)
mRNA
c)
rRNA
d)
tmRtmRNA
8.
What is the function of transfer RNA?
a)
It is a part of the ribosome.
b)
It bonds to other RNA molecules, leading to their destruction.
c)
It delivers the correct amino acid to the ribosome.
d)
It carries the information coding for the amino acid sequence of a protein.
9.
Which nucleotide is complementary to adenine?
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
10.
Which of these is part of the description of protein?
a)
a folded chain of amino acids
b)
a folded chain of carbohydrates
c)
a branched chain of fatty acids
d)
a branched chain of nucleic acids
11.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
12.
What is the difference between DNA and RNA
a)
DNA has uracil and RNA has thymine
b)
DNA is involved in transcription and RNA is involved in translation
c)
DNA contains thymine and RNA contains uracil
d)
DNA is made of nucleotides and RNA is not
13.
What will be the resulting mRNA from this DNA sequence:
GAT-TAC-AGA-TTA-CAT?
a)
CTA-ATG-TCT-AAT-GTA
b)
GAU-UAG-UGA-UUA-GUT
c)
CUA-AUG-UCU-AAU-GUA
d)
CAT-ACA-TAC-ATA-TAG
14.

What will be the complementary DNA sequence resulting from the following:

GAT-TAC-AGA-TTA-CAT?

a)

CTA-ATG-TCT-AAT-GTA

b)

GAU-UAG-UGA-UUA-GUT

c)

CUA-AUG-UCU-AAU-GUA

d)

CAT-ACA-TAC-ATA-TAG

15.
A portion of DNA reads GAG. The corresponding mRNA would be
a)
GUG
b)
GTG
c)
CTC
d)
CUC
16.
Within the eukaryotic cell, where does transcription occur?
a)
Nucleus
b)
Cytoplasm
c)
Ribosome
17.
Within the cell, where does translation occur?
a)
Nucleus
b)
Cytoplasm
c)
Ribosome
18.
Which form of RNA contains the instructions for building a protein?
a)
amino RNA
b)
ribosomal RNA
c)
messenger RNA
d)
transfer RNA
19.
Which form of RNA carries amino acids from the cytoplasm to the ribosome?
a)
amino RNA
b)
ribosomal RNA
c)
transfer RNA
d)
messenger RNA
20.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
21.

Which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

22.

What are the building blocks of proteins called?

a)

DNA

b)

RNA

c)

Ribosomes

d)

Amino Acids

23.
Are all mutations bad?
a)
Yes
b)
No
c)
Maybe?
24.

A change in a gene, group of genes or chromosome that results in a change in the proteins

a)

Replication

b)

Mutations

c)

Translation

d)

Transcription

25.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
26.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
27.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
28.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
29.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
30.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
31.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
32.

Who is responsible for producing this image?

a)

Francis Crick

b)

James Watson

c)

Rosalind Franklin

d)

Maurice Wilkins

e)

Erwin Chargaff

33.

Who was responsible for the model shown?

a)

Oswald Avery

b)

Watson and Crick

c)

Erwin Chargaff

d)

Rosalind Franklin

e)

Maurice Wilkins

34.
What is the difference between the sugars found in DNA and RNA?
a)
RNA contains glucose
b)
RNA contains sucrose
c)
RNA contains deoxyribose
d)
RNA contains Ribose
35.
RNA has how many strands?
a)
one
b)
two
36.

RNA stands for

a)

robot nucleic acid

b)

root nucleic acid

c)

ribonucleic acid

d)

nucleic acid

37.

The nitrogen base pairs for RNA are

a)

A-T C-G

b)

A-U C-G

c)

A-C T-G

d)

T -U G-C

38.
True or false:  RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
39.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
40.

Which of the following is found in the cells of all living things?

a)

chloroplasts

b)

nucleus

c)

mitochondrion

d)

genetic material

41.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
42.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
43.
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
44.

Where does Transcription occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

45.

What is the purpose of transcription?

a)

To copy DNA into a molecule of mRNA.

b)

To read a copy of mRNA to build a protien.

46.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

47.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
48.

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

49.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

50.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
51.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
52.
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
53.

Select the RNA sequence or sequences for Glutamine.

a)

CGU

b)

CAG

c)

CUA

d)

CAA

54.

Where does translation occur?

a)

nucleus

b)

golgi

c)

endoplasmic reticulum

d)

cytoplasm at the ribosome

55.

When using the genetic code, you look up sets of 3 bases on the mRNA which are called:

a)

anticodons

b)

codons

c)

base pairs

d)

amino acids

56.

A substitution mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

57.

An insertion/additon mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

58.

A deletion mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

59.

A mutation that decreases an organism's ability to survive and reproduce

a)

harmful mutation

b)

helpful mutation

c)

neutral mutation

60.

A mutation that has NO effect on an organism's ability to survive and reproduce

a)

harmful mutation

b)

helpful mutation

c)

neutral mutation

61.

Many mutations...

a)

Occur randomly

b)

Occur because of bad eating habits

c)

Occur because of lack of exercise

62.

Mutations can be...

a)

Harmful

b)

Beneficial

c)

Neutral

d)

All of the Above

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