WorksheetsGenetic Code
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
How many nucleotides make up a codon?
a)
1
b)
3
c)
5
d)
15
2.
How many codons: AAU GCG AUG
a)
9
b)
1
c)
3
d)
15
3.
How many nucleotides? AAU GCG AUG
a)
9
b)
3
c)
1
d)
15
4.
ATCAGTGAT A codon is a sequence of three nucleotides that code for an amino acid. If the DNA sequence shown here goes through transcription and translation, how many amino acids will result from this sequence?
a)
5
b)
4
c)
2
d)
3
5.
What is the order for Protein Synthesis?
a)
Transcription -> Translation -> Protein
b)
Translation - > Transcription -> Protein
c)
Protein -> Transcription -> Translation
d)
Translation -> Protein -> Transcription
6.
Which Seq could be found in RNA?
a)
ACCTGT
b)
CGCATT
c)
AUGCUU
7.
The codon CCU codes for what amino acid?
a)
Isoleucine
b)
Stop
c)
Methionine
d)
Proline
8.
Which amino acid pairs with the codon AGA
a)
Thr
b)
Arg
c)
Ala
d)
Glu
9.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
10.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
11.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
12.
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
13.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
14.
Genes are found on...
a)
chromosomes
b)
alleles
c)
proteins
d)
anthers
15.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
100 %
