WorksheetsDNA Structure & Replication
Total questions: 11
Worksheet time: 4mins
What are the three major components of a nucleotide?
phosphate, sugar, nitrogenous base
sugar, nitrogenous base, nucleic acid
phosphate, hydrogen, nitrogenous base
sugar, hydrogen, nucleic acid
Adenine, guanine, thymine, and cytosine are
phosphate groups
nucleic acids
nitrogenous bases
deoxyribose sugars
Which bases are purines?
adenine & thymine
adenine & guanine
cytosine & guanine
cytosine & thymine
The picture shows nitrogenous bases that are ...
purines
pyrimidines
The picture shows nitrogenous bases that are ...
purines
pyrimidines
In a eukaryotic cell, in which organelle does DNA replication take place?
cytoplasm
nucleus
ribosome
nucleolus
Who took the famous x-ray diffraction picture of DNA?
Franklin
Chargaff
Watson & Crick
Wilkins
Who developed the double-helix model of DNA?
Franklin
Chargaff
Watson & Crick
Wilkins
Who developed the base-pairing rule?
Franklin
Chargaff
Watson & Crick
Wilkins
Which is the complementary strand for A-T-C-G
T-A-G-C
A-T-C-G
G-T-C-A
G-A-C-T
Of the following, the first step in DNA replication would be
DNA helicase "unzips" the molecule
complementary nucleotides "match up" with nucleotides on the existing strand
form new hydrogen bonds between nucleotides
