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Molecular Genetics

Total questions: 35

Worksheet time: 9hrs 45mins

Name
Class
Date
1.
Which sequence of 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
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
4.
The process of making an mRNA strand from a DNA template is called
a)
Replication
b)
Transcription
c)
Translation
d)
Protein Synthesis
5.
The process of using an mRNA to make a protein is called
a)
Replication
b)
Transcription
c)
Translation
d)
Cell Division
6.
Transcription takes place in the 
a)
cytoplasm
b)
chloroplast
c)
nucleus
d)
mitochondria
7.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
8.

STRUCTURE: One difference between RNA and DNA is -

a)

RNA has thymine where DNA has ademine

b)

DNA is single stranded where RNA is double stranded

c)

DNA is made in the nucleus where RNA is made in the ribosomes

d)

RNA is single stranded where DNA is double stranded

9.

STRUCTURE: What Nitrogenous Base does RNA contain that DNA does not?

a)

Thymine

b)

Uracil

c)

Adenine

d)

Love

10.

STRUCTURE: Which 2 molecules form the sides of the DNA ladder?

a)

deoxyribose and adenine

b)

deoxyribose and a hydrogen bond

c)

sugar and the nucleus

d)

deoxyribose (sugar) and phosphate

11.

GENERAL: DNA is found in the:

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

12.

STRUCTURE: Nucleotides monomers are made up of a sugar, a phosphate, and a:

a)

nitrogenous base

b)

nucleic acid

c)

cholesterol

d)

fatty acid

13.

STRUCTURE: The five-carbon sugar found in DNA.

a)

ribose

b)

guanine

c)

deoxyribose

d)

helicase

14.

TRANSLATION:

This is

a)

tRNA

b)

mRNA

c)

DNA

d)

a ribosome

15.

TRANSCRIPTION: What is the mRNA complementary mRNA base sequence for: CAGTTCCAG

a)

GUCAAGGUC

b)

GTGAAGGTC

16.

HISTORY: Built the first correct model of DNA

a)

Watson and Crick

b)

Linnus Pauling

c)

Rosalind Franklin

d)

Hershey and Chase

17.

REPLICATION:

DNA replication is when:

a)

DNA makes DNA

b)

DNA makes RNA

c)

RNA makes Protein

d)

DNA makes Protein

18.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
19.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
20.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
21.
What does this picture represent?
a)
amino acid
b)
base pairing
c)
nucleotide
d)
the DNA molecule
22.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
23.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
24.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
25.
What is the correct complimentary strand for the following DNA?ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
26.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
27.
What is the product of translation?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
28.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
29.
How many nucleotides make a codon?
a)
1
b)
2
c)
3
d)
6
30.
What is the central dogma of molecular biology?
a)
RNA-protein-DNA
b)
RNA-DNA-protein
c)
DNA-protein-RNA
d)
DNA-RNA-prtein
31.

There are 3 types of RNA. What are they? (Select all that apply)

a)

tRNA

b)

rRNA

c)

mRNA

d)

xRNA

32.

What combines together to make a protein?

a)

Amino Acid

b)

RNA

c)

Ribosome

d)

DNA

33.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

34.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

35.
I am arranged as a double helix or "twisted ladder".
a)
DNA
b)
RNA

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