DNA and RNA - the basics

Created March 2020, Offline version here

1
1
What are the three main parts of a DNA nucleotide?
2
1
In a DNA double helix, adenine pairs with _____ and guanine pairs with _____.
3
1
What is the difference between purine and pyrimidines?
4
1
In RNA, what attaches to the 5 carbon of the ribose sugar?
5
1
Which of the following fixes the width of a DNA double helix?
6
1
Which of the following is not a difference between DNA and RNA?
7
1
Which of the following makes up the backbone of a DNA strand
8
1
What does it mean that the two strands of a DNA double helix are antiparallel?
9
1
Which of the following is the primary function of mRNA?
10
1
Which of the following is the primary function of tRNA?
11
1
Which of the following is the primary function of rRNA?
12
1
Which of the following are the three main stages of DNA replication listed in the correct order?
13
1
What is the role of DNA helicase in DNA replication?
14
1
What is the role of RNA primase in DNA replication?
15
1
What is the role of topoisomerase in DNA replication?
16
1
DNA can only be replicated in the _____ direction.
17
1
As a result of DNA only being replicated in a single direction there is a leading strand and a lagging stranding. Initially, the lagging strand consists of _____.
18
1
DNA replication is semi-conservative, what does this mean.
19
1
What is the name of the bond that joins one nucleotide to another in a nucleic acid strand?
20
1
Which of the following illustrates the central dogma of biology?