WorksheetsMicrogenetics Unit Quiz
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What is the structure of all DNA molecules?
a)
Double Helix
b)
Single Strand
c)
Varied
d)
Circular
2.
Which of the following nitrogen bases would not be found in DNA?
a)
Thymine
b)
Cytosine
c)
Uracil
d)
Adenine
3.
After examining the DNA of different organisms, which of the following did Erwin Chargaff conclude about the four bases?
a)
A+T=C+G
b)
A=C=G=T
c)
A=C and G=T
d)
A=T and C=G
4.
What holds base pairs together?
a)
Pairs of double-ringed nucleotides
b)
Weak hydrogen bonds
c)
Nitrogen-carbon bonds
d)
Sugar-phosphate backbones
5.
What are the 3 parts of every DNA nucleotide?
a)
Deoxyribose Sugar, Phosphate, Oxygen Bases
b)
Deoxyribose Sugar, Phosphate, Nitrogen Bases
c)
Ribose Sugar, Phosphate, Oxygen Bases
d)
Ribose Sugar, Phosphate, Nitrogen Bases
6.
The main difference between the four nucleotides that make up DNA is that they have different
a)
Bases
b)
Sugars
c)
Uracil
d)
Bonds
7.
During DNA replication, a complementary strand of DNA is made for each original DNA strand. What is the complementary DNA strand of: CCTAGCT?
a)
TTGCATG
b)
AAGTATC
c)
CCUAGCTU
d)
GGATCGA
8.
Where does the process of DNA replication occur?
a)
Ribosome
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
9.
Where does the process of transcription start?
a)
Ribosome
b)
Nucleus
c)
Cytoplasm
d)
Rough Endoplasmic Reticulum
10.
At which organelle does translation happen?
a)
Ribosome
b)
Nucleus
c)
Mitochondria
d)
Cell Wall
11.
Which of the following sequences most accurately describes protein synthesis?
a)
mRNA → Amino Acid → DNA
b)
mRNA → DNA → Amino Acid
c)
DNA → Amino Acid → tRNA
d)
DNA → RNA → Amino Acid
12.
On what molecule are codons found?
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
13.
A segment of DNA that codes for a specific trait is called a (n) _________________________.
a)
Amino acid
b)
Gene
c)
RNA
d)
Nucleotide
14.
What is the portion of the protein molecule coded for by the piece of mRNA “CUCAAGUGC” shown above the diagram?
a)
Leucine – Tyrosine – Arginine
b)
Glutamic Acid – Phenylalanine – Threonine
c)
Glutamic Acid – Lysine – Cysteine
d)
Leucine – Lysine – Cysteine
15.
The anticodons for the codons in the mRNA “CUCAAGUGC” strand are:
a)
GAGUUCACG
b)
GAGTTCACG
c)
CUC GAACGU
d)
CUUCGUGAA
16.
What is the amino acid sequence for this segment of DNA?----CGCATT—
a)
Stop, Alanine
b)
Alanine, Stop
c)
Arginine, Stop
d)
Isoleucine, Threonine
17.
Which of the following would represent the strand of DNA from which the mRNA “CUCAAGUGC” strand in the diagram was made?
a)
CUC AAG UGC
b)
GAG UUC ACG
c)
GAG TTC ACG
d)
AGA CCT GTA
18.
What is the name of the process that makes mRNA?
a)
Transcription
b)
Translation
c)
Transection
d)
Transatlantic
19.
What is the name of the process that makes proteins?
a)
Transcription
b)
Translation
c)
Transection
d)
Transatlantic
20.
What is the basic building block of DNA?
a)
Amino Acid
b)
Nucleotide
c)
Protein
d)
Lipid
21.
What is the structure of RNA?
a)
Double Strand
b)
Single Strand
c)
Triple Strand
d)
Quadruple Strand
22.
What is the sugar found in RNA?
a)
Ribose
b)
Deoxyribose
c)
Glucose
d)
Fructose
23.
Which base is found in RNA, but not in DNA?
a)
Adenine
b)
Thymine
c)
Uracil
d)
Cytosine
24.
What is the role of the tRNA in protein synthesis?
a)
It synthesizes mRNA from DNA
b)
It transports amino acids to the ribosome
c)
It forms the ribosome
d)
It creates peptide bond formation
25.
What are the building blocks of protein?
a)
Nucleotides
b)
Monosaccharides
c)
Amino acids
d)
Lipids
100 %
