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Core 2 Review Short

Total questions: 21

Worksheet time: 17mins

Name
Class
Date
1.
What is the sugar in DNA called?
a)
Deoxyribose
b)
Dantein
c)
Diglyceride
d)
Dalvin
2.

What are the components of a nucleotide?

a)

nitrogen base, phosphate group, and 5-carbon sugar

b)

5 carbon sugar, purine, and pyrimidine

c)

nitrogen base and a phosphate group

d)

DNA, phosphate group, monosaccharide

3.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
4.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
5.

In what phase of the cell cycle does DNA replication take place?

a)

G1

b)

S

c)

G2

d)

Prophase

6.

The process of DNA replication is called semi conservative because it results in

a)

none of these

b)

Two DNA molecules.  One original molecule and one with two new strands

c)

two exact copies with new strands

d)

two DNA molecules, each with 1 original strand and one new.

7.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
8.

#3 setting Primers

a)

Ligase

b)

Helicase

c)

Polymerase

d)

Primase

9.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
10.

What is the process that makes a complementary mRNA strand from a DNA strand?

a)

protein synthesis

b)

transcription

c)

translation

d)

DNA Polymerase

11.

Where does transcription take place? HINT: It is where we find DNA!

a)

nucleus

b)

cytoplasm

c)

ribosome

12.

Using this DNA sequence AAA TTT, what is the complementary RNA sequence will be

a)

UUU AAA

b)

AAA UUU

13.

What enzyme does transcription use?

a)

DNA polymerase

b)

ligase

c)

RNA polymerase

d)

helicase

14.
In mRNA, each codon specifies a particular 
a)
nucleotide
b)
amino acid
c)
purine
d)
pyrimidine
15.
What structure in a cell is the site for making proteins?
a)
ribosomes
b)
mitochondria
c)
lysosome
d)
Golgi body
16.
What is this a picture of?
a)
mRNA
b)
tRNA
c)
rRNA
d)
pRNA
17.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
18.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA makes RNA which produces protein in the cell
d)
A cell is composed of DNA and protein
19.
This type of substitution codes for a stop codon
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
20.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
21.
A type of substitution in which no  amino acids change is called 
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion