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DNA, RNA, & Protein Synthesis

Total questions: 23

Worksheet time: 15mins

Name
Class
Date
1.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
2.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
3.
Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
4.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
5.
The molecule pictured is a monomer of _______.
a)
RNA
b)
DNA
c)
a carbohydrate
d)
a protein
6.

A process in which DNA has the unique ability to make an exact copy of itself.

a)

Replication

b)

Translation

c)

Transcription

d)

Protein Synthesis

7.

When the mRNA sequence leave the nucleus, what organelle does it travel to?

a)

mitochondria

b)

smooth ER

c)

ribosome

d)

vacuole

8.

What does tRNA "transfer"?

a)

amino acids

b)

nucleic acids

c)

nucleotides

d)

AUG

9.

What do amino acids come together to join?

a)

a growing polypeptide chain (protein)

b)

a growing lipid

c)

a growing carbohydrate

d)

a growing nucleic acid

10.

What sequence of mRNA always begins a new polypeptide chain?

a)

UAG

b)

AUG

c)

GAU

d)

UGA

11.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
12.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
13.

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

14.
The function of ______ is to combine with proteins to form ribosomes.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
15.
Which of these nitrogenous bases is NOT in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
16.
DNA holds the code for
a)
lipids
b)
carbohydrates
c)
protein
d)
sugar
17.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

18.

Which of the following are differences in the structure between RNA and DNA

a)

DNA uses deoxyribose sugar, RNA uses sugar ribose

b)

DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

c)

DNA is a double helix, RNA is a single helix

d)

DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

19.

AAA-TCT-GGA-CCT What is the complementary DNA sequence to the DNA strand given, AND what process is this called?

a)

AAA-TCT-GGA-CCT (process is transcription)

b)

TTT-AGA-CCT-GGA (process is replication)

c)

UUU-AGA-CCT-GGA (process is replication)

d)

TTT-UGU-CCT-GGU (process is transcription)

20.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

21.

If you are using the codon chart, what process are you doing?

a)

replication

b)

transcription

c)

translation

d)

mitosis

22.

the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA stays safe in the nucleus but serves as a template.

a)

transcription

b)

translation

c)

replication

d)

cytokinesis

23.
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