WorksheetsChapter 12 Vocabulary
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
__________ is a process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria.
a)
transformation
b)
base pairing
c)
replication
d)
metamorphosis
2.
A __________ is a kind of virus that infects bacteria.
a)
telomere
b)
bacteriophage
c)
bacterium
d)
DNA polymerase
3.
____________ is the principle that bonds in DNA can form only between adenine and thymine, and between guanine and cytosine.
a)
replication
b)
transformation
c)
base paring
d)
cloning
4.
The process of copying DNA prior to cell division is called __________.
a)
transformation
b)
replication
c)
duplication
d)
base pairing
5.
The principle enzyme involved in DNA replication is called __________.
a)
bacteriophage
b)
telomere
c)
amino acid
d)
DNA polymerase
6.
repetitive DNA at the end of a eukaryotic chromosome is a __________.
a)
bacteriophage
b)
DNA polymerase
c)
nitrogenous base
d)
telomere
7.
What is shown in this picture?
a)
bacteriophage
b)
bacterium
c)
telomere
d)
DNA polymerase
8.
____________ discovered that percentages of adenine (A) and thymine (T) bases and cytosine (C) and guanine (G) bases are almost equal in any sample of DNA?
a)
Erwin Chargaff
b)
Rosalind Franklin
c)
James Watson
d)
Francis Crick
9.
____________ used X-ray diffraction to find out more information about the DNA molecule.
a)
Francis Crick
b)
Erwin Chargaff
c)
Rosalind Franklin
d)
James Watson
10.
Which scientist(s) used X-ray pictures to finally figure out the structure of DNA?
a)
James Watson & Francis Crick
b)
Rosalind Franklin
c)
Erwin Chargaff
d)
Martha Chase
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