WorksheetsHHB 1.3 Quizs - Gene Expression Transcription
Total questions: 13
Worksheet time: 10mins
Name
Class
Date
1.
Each group of 3 bases on mRNA is known as a...?
a)
anti - codon
b)
codon
c)
triad
d)
tripod
2.
What type of chemical bond forms between the DNA base and the mRNA base during transcription?
a)
peptide bond
b)
hydrogen bond
c)
strong chemical bond
3.
The introns of the primary transcript are ........................
a)
coding regions and are removed
b)
noncoding regions and are removed
c)
coding regions and are retained
d)
noncoding regions and are retained
4.
In Transcription, what enzyme is responsible for unwinding DNA & adding RNA nucleotides?
a)
Ligase
b)
DNA Polymerase
c)
RNA Polymerase
d)
Amylase
5.
Coding regions of DNA are known as...?
a)
Introns
b)
Exons
6.
Which bases are present in RNA?
a)
adenine - thymine - cytosine - guanine
b)
adenine - uracil - thymine - guanine
c)
adenine- uracil - cytosine - guanine
d)
adenine - uracil - thymine - cytosine
7.
Which of the following are types of RNA?
a)
mRNA
b)
tRNA
c)
rRNA
d)
all of above
8.
What is the function of mRNA?
a)
carries a copy of the DNA code from the nucleus to the mitochondrion
b)
carries a copy of the DNA code from the ribosome to the nucleus
c)
carries a copy of the amino acids from the nucleus to the ribosome
d)
carries a copy of the DNA code from the nucleus to the ribosome.
9.
mRNA is formed in the nucleus by which process?
a)
Transcription
b)
Translation
10.
Which nucleotide would be correct for mRNA?
a)
uracil - deoxyribose sugar - phosphate
b)
thymine - ribose sugar - phosphate
c)
cytosine - deoxyribose sugar - phosphate
d)
adenine - ribose sugar - phosphate
11.
The joining of exons after the removal of introns from the primary mRNA transcript is known as?
a)
Polymerase chain reaction
b)
RNA Splicing
c)
Translation
d)
Gene Expression
12.
RNA is ..................... stranded
a)
single
b)
double
13.
Transcription requires?
a)
Template DNA, ATP, Energy and Enzymes
b)
Template DNA, ATP and Enzymes
c)
Template DNA, ATP, RNA nucleotides and Enzymes
d)
Template DNA, ATP, RNA nucleotides and DNA polymerase
100 %
