WorksheetsUnit 4 Genetics
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
In humans, where does DNA replication take place?
a)
cytoplasm
b)
nucleus
c)
ribosome
d)
Vacoule
2.
RNA from a bear is compared to RNA from a sunflower. Both will contain the
a)
sugar deoxyribose and the base thymine
b)
sugar ribose and the base thymine.
c)
sugar deoxyribose and the base uracil
d)
sugar ribose and the base uracil
3.
Use the diagram to the right AND your knowledge of biology to answer this question. Structures 3 and 4 are held together by
a)
weak peptide bonds
b)
nitrogen bases
c)
strong hydrogen bonds
d)
weak hydrogen bonds
4.
In nucleotides, the letters A, G, C, and T represent
a)
phosphate groups
b)
Nitrogen bases
c)
deoxyribose sugars
d)
ribose sugars
5.
The cellular process of creating two new DNA molecules from one original copy is called replication. Which statement is the BEST description of this process?
a)
DNA opens up and RNA copies it.
b)
DNA opens up and completely unwinds to make two new molecules.
c)
DNA opens up and each strand is used as a template for making a new strand.
d)
RNA opens up the DNA and uses each strand as a template for a new strand
6.
#1 represents the
a)
Nitrogen Base
b)
Phosphate group
c)
Sugar
7.
Which is the sugar used in DNA
a)
Glucose
b)
Ribose
c)
Deoxyribose
d)
Phosphate
8.
Which is the sugar used in RNA
a)
Glucose
b)
Ribose
c)
Deoxyribose
d)
Phosphate
9.
A double helix is the structure of _______
a)
DNA
b)
RNA
c)
Nitrogen Base
10.
Which of these strands is the complementary strand of DNA: ATG ATG CCT ACG
a)
ATG ATG CCT ACG
b)
UAC UAC GGU UGC
c)
TAC TAC GGA TGC
11.
What kind of bond hold Amino acids together
a)
weak hydrogen
b)
Strong hydrogen
c)
Peptide
d)
ionic
12.
The sequence of __________________ in a DNA molecule determines the protein that will be produced
a)
lipids
b)
nucleotides
c)
proteins
d)
sugars
13.
During _____________, the cell uses information from messenger RNA to make polypeptides.
a)
replication
b)
translation
c)
transcription
d)
meiosis
14.
During _____________, the cell uses information from DNA to make mRNA.
a)
replication
b)
translation
c)
transcription
d)
meiosis
15.
How many amino acids are coded for by the strand of mRNA shown here? Assume the reading frame begins with the first nucleotide.
AUG UAC GGC CCA
a)
1
b)
2
c)
3
d)
4
16.
Subunit that makes up nucleic acids
a)
Chromosome
b)
Gene
c)
Nucelotide
d)
Codon
e)
Amino Acid
17.
Subunit that makes up proteins
a)
Chromosome
b)
Gene
c)
Nucelotide
d)
Codon
e)
Amino Acid
18.
A portion of a chromosome that codes for a single protein
a)
Chromosome
b)
Gene
c)
Nucelotide
d)
Codon
e)
Amino Acid
19.
A portion of DNA that is condensed and rod-like
a)
Chromosome
b)
Gene
c)
Nucelotide
d)
Codon
e)
Amino Acid
20.
A set of 3 nucleotides that code for a specific amino acid
a)
Chromosome
b)
Gene
c)
Nucelotide
d)
Codon
e)
Amino Acid
100 %
