WorksheetsCentral Dogma of Biology
Total questions: 40
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.
What is the name for when the RNA info is read and turned into a protein?
a)
transcription
b)
transcribation
c)
translation
d)
replication
3.
In translation, the language of the bases is turned into the language of ___.
a)
proteins
b)
amino acids
c)
nucleic acids
d)
nucleotides
4.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
rough ER
d)
mitochondrion
5.
Where does translation take place?
a)
nucleus
b)
smooth ER
c)
lysosome
d)
cytoplasm
6.
What is the name for this RNA --> proteins?
a)
translation
b)
transcription
c)
replication
d)
none of these
7.
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
8.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
9.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
carbohydrates
10.
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
11.
Looking at the mRNA strand, how many codons are there.
UCGAGACU
UCGAGACU
a)
8
b)
4
c)
2
d)
1
12.
A long strand of RNA nucleotides that are formed complementary to one strand of DNA. They also travel from the nucleus to the ribosome to direct the making of a specific protein.
a)
tRNA
b)
rRNA
c)
DNA
d)
mRNA
13.
The _______ represents the shape of the dna molecule.
a)
Helix
b)
Double Helix
c)
Ladder
d)
Quartenary
14.
What does RNA contain that DNA does not?
a)
Thymine
b)
Uracil
c)
Adenine
d)
Love
15.
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
16.
Which is a difference between DNA and RNA
a)
RNA is double stranded
b)
RNA is not made of nucleotides
c)
RNA contains Uracil instead of Thymine
d)
RNA does not contain a sugar
17.
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
18.
How many parts make up a Nucleotide?
a)
One
b)
Two
c)
Three
d)
Four
19.
What base does Cytosine pair with?
a)
Guanine
b)
Thymine
c)
Adenine
d)
Ribose
20.
What base does Adenine pair with?
a)
Guanine
b)
Cytosine
c)
Thymine
d)
Deoxyribose
21.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
22.
Where does protein synthesis takes place?
a)
vacuole
b)
ribosome
c)
chloroplast
d)
mitochondria
23.
A codon consists of how many nucleotides
a)
1
b)
2
c)
3
d)
4
24.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
25.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
26.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
27.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
28.
What amino acid is represented by the codon UUU?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
29.
What amino acid is represented by the codon CAU?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
30.
In the chart, which amino acid is specified by the mRNA code CCC?
a)
Gly
b)
Lys
c)
Ala
d)
Pro
31.
Which amino acid would be synthesized given the DNA sequence GTA?
a)
Histidine
b)
Valine
c)
Threonine
d)
Methionine
32.
This diagram can be used to specify amino acid sequences in polypeptides. Which sequence of the genetic code would produce a polypeptide with the amino acid sequence Ala-Arg-Pro?
a)
GCAAGACCU
b)
GACCUGCUC
c)
GCCAGUCCG
d)
ACGGCGUCC
33.
In the chart, which amino acid is specified by the mRNA code GCA?
a)
Gly
b)
Lys
c)
Ala
d)
Pro
34.
In the chart, which amino acid is specified by the mRNA code GGA?
a)
Gly
b)
Lys
c)
Ala
d)
Pro
35.
In the chart, which amino acid is specified by the mRNA code UUC?
a)
Gly
b)
Lys
c)
Ala
d)
Phe
36.
In the chart, which amino acid is specified by the mRNA code AUG?
a)
Gly
b)
Lys
c)
Ala
d)
MET
37.
In the chart, which amino acid is specified by the mRNA code UAA?
a)
Stop
b)
Lys
c)
Ala
d)
Pro
38.
In the chart, which amino acid is specified by the mRNA code UCA?
a)
Ser
b)
Lys
c)
Ala
d)
Pro
39.
In the chart, which amino acid is specified by the mRNA code GUA?
a)
Gly
b)
Lys
c)
Ala
d)
Val
40.
In the chart, which amino acid is specified by the mRNA code ACA?
a)
Gly
b)
Lys
c)
Ala
d)
Thr
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