WorksheetsCentral Dogma of Biology
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
What is the name for when DNA makes another copy of itself?
a)
transcription
b)
translation
c)
replication
d)
duplication
2.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
rough ER
d)
mitochondrion
3.
Where does translation take place?
a)
nucleus
b)
smooth ER
c)
lysosome
d)
cytoplasm
4.
The genetic code is read three "letters" at a time, so that each "word" is three bases long and corresponds to a single amino acid. What is each three-letter "word" in mRNA know as?
a)
an anitcodon
b)
a codon
c)
a decoding band
d)
a gene
5.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
6.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
7.
What does RNA contain that DNA does not?
a)
Thymine
b)
Uracil
c)
Adenine
d)
Love
8.
What is the correct DNA complementary base to
AAT CGT TAC
AAT CGT TAC
a)
AAT GCA TAC
b)
TTA CGT ATG
c)
TTA GCA ATG
d)
UUA GCA AUG
9.
A codon consists of how many nucleotides
a)
1
b)
2
c)
3
d)
4
10.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
11.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
12.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
13.
In the chart, which amino acid is specified by the mRNA code CCC?
a)
Gly
b)
Lys
c)
Ala
d)
Pro
14.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
15.
The diagram shows the process of
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
16.
Where does translation take place?
a)
Nucleus
b)
Ribosome
c)
Golgi Body
d)
Cytoplasm
17.
Where does transcription take place?
a)
nucleus
b)
ribosome
c)
cytoplasm
d)
smooth ER
18.
The building of a polypeptide chain from mRNA instructions
a)
Transcription
b)
Translation
19.
The building of mRNA from a DNA template
a)
Transcription
b)
Translation
20.
What is the role of tRNA in protein synthesis?
a)
Carries amino acids to the ribosome
b)
Transcribes mRNA from DNA
c)
Unwinds the DNA double helix
d)
Cuts introns out of pre-mRNA
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