DNA test your knowledge
1 / 15
Lesson duration is: 15 minItems in this lesson
Slide 1 - Slide
How are nucleotides connected in double-stranded DNA?
A
hydrogen bonds between the phosphate molecules
B
bonds between phosphate and sugar molecules
C
hydrogen bonds between the sugar molecules
D
hydrogen bonds between the bases
Slide 2 - Quiz
Which enzyme breaks the hydrogen bonds between the complementary bases in DNA?
A
Helicase
B
Primase
C
DNA Polymerase
D
Ligase
Slide 3 - Quiz
At what phase of cell cycle does DNA replication take place?
A
G1
B
G2
C
S
D
M
Slide 4 - Quiz
Which enzyme bonds fragments of DNA together?
A
Primase
B
Ligase
C
Helicase
D
DNA Polymerase
Slide 5 - Quiz
What are the 3 main differences between DNA and RNA molecule?
Slide 6 - Open question
What are the leading and lagging strands of DNA?
Slide 7 - Open question
Which organelle plays an important role in the coupling of amino acids to the tRNA?
A
ribosomes
B
nucleus
C
endoplasmic reticulum
D
Golgi system
Slide 8 - Quiz
The codon in mRNA is UGA. What code does the tRNA anticodon have?
A
AGU
B
ACT
C
TGA
D
ACU
Slide 9 - Quiz
Which DNA strand is used for creating mRNA during transcription?
Slide 10 - Open question
Introns are:
A
protein coding gens
B
made during translation
C
enzymes
D
not protein coding genes
Slide 11 - Quiz
DNA replication is semiconservative. What is meant with this?
Slide 12 - Open question
What is the final result of the DNA transcription?
A
pre-mRNA
B
tRNA
C
mRNA
D
none of these
Slide 13 - Quiz
What is meant by the rule of base pairing?
Slide 14 - Open question
How many nucleotides define one codon?
A
2
B
3
C
4
D
more than 4
