Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Post-Test



This activity contains 55 questions.

Question 1
1
Open Hint for Question 1 in a new window
In the United States, certain groups of people, such as the elderly, are highly encouraged to get a flu vaccine each year. Why?
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window
Which one of the following is a list of the four bases contained in DNA?
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window
Which one of the following lists the chemical components of a nucleotide?
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window
Monomers for the synthesis of DNA are called _____.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window
Which one of the following is uniquely associated with RNA?
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window
What research technique was most helpful to Watson and Crick in their attempt to determine the structure of DNA?
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window
A major characteristic of the structure of DNA is that __________.
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window
The two sugar-phosphate strands with their associated nitrogenous bases of a DNA molecule are joined to each other by __________.
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window
Which one of the following statements is true about double-stranded DNA?
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window
The genetic information in DNA is contained in __________.
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window
Which one of the following statements applies to the Watson-Crick model for DNA?
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window
One strand of a DNA molecule has the base sequence ATAGGT. The complementary base sequence on the other strand of DNA will be _____.
 
End of Question 12


Question 13
13
Open Hint for Question 13 in a new window
DNA replication __________.
 
End of Question 13


Question 14
14
Open Hint for Question 14 in a new window
During the replication of DNA molecules, __________.
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window
Two new strands of DNA grow as bases are added by the enzyme _____.
 
End of Question 15


Question 16
16
Open Hint for Question 16 in a new window
A gene is usually __________.
 
End of Question 16


Question 17
17
Open Hint for Question 17 in a new window
The number of nucleotide bases on the mRNA that together designate an amino acid is _____; this unit is called a(n) _____.
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window
Which one of the following statements is true?
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window
When messenger RNA (mRNA) is being made, the RNA base _____ always pairs with the base _____ in DNA.
 
End of Question 19


Question 20
20
Open Hint for Question 20 in a new window
The DNA code is CGT. What is the sequence of nucleotides in the transcribed mRNA?
 
End of Question 20


Question 21
21
Open Hint for Question 21 in a new window
During the transcription of a given portion of a DNA molecule __________.
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window
One strand of a DNA molecule has the following sequence: AGTACAAACTATCCACCGTC. For transcription of this sequence to occur, there would have to be a specific recognition sequence for the RNA polymerase, called a(n) _____, to the left of the DNA sequence indicated.
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window
Assume that a cell is carrying out its day-to-day activities. At one point, the nucleotides GAT are paired with the nucleotides CUA. This pairing occurred __________.
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window
A terminator of mRNA synthesis is __________.
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window
Which one of the following catalyzes the linkage between nucleotides to form mRNA?
 
End of Question 25


Question 26
26
Open Hint for Question 26 in a new window
In transcription, __________.
 
End of Question 26


Question 27
27
Open Hint for Question 27 in a new window
Genetic information is transferred from the nucleus to the cytoplasm of eukaryotic cells in the form of _____.
 
End of Question 27


Question 28
28
Open Hint for Question 28 in a new window
A cell biologist found that two different proteins with different structures were translated from two different mRNAs. These mRNAs, however, were transcribed from the same gene in the cell nucleus. Which mechanism below could best account for this?
 
End of Question 28


Question 29
29
Open Hint for Question 29 in a new window
Usually, in transcription of eukaryotic genes __________.
 
End of Question 29


Question 30
30
Open Hint for Question 30 in a new window
Which one of the following statements correctly describes mRNA processing in eukaryotes?
 
End of Question 30


Question 31
31
Open Hint for Question 31 in a new window
A mutation in a DNA sequence is likely to have no effect on phenotype if the mutation __________.
 
End of Question 31


Question 32
32
Open Hint for Question 32 in a new window
In a eukaryotic cell, transcription takes place __________.
 
End of Question 32


Question 33
33
Open Hint for Question 33 in a new window
The function of tRNA during protein synthesis is to __________.
 
End of Question 33


Question 34
34
Open Hint for Question 34 in a new window
During the process of translation, _____ matches an mRNA codon with the proper amino acid.
 
End of Question 34


Question 35
35
Open Hint for Question 35 in a new window
During translation in a eukaryotic cell __________.
 
End of Question 35


Question 36
36
Open Hint for Question 36 in a new window
During translation, amino acid chain elongation occurs until __________.
 
End of Question 36


Question 37
37
Open Hint for Question 37 in a new window
A virus infects a cell and randomly inserts many short segments of DNA, each containing a stop codon, throughout the organism's chromosomes. This will probably cause __________.
 
End of Question 37


Question 38
38
Open Hint for Question 38 in a new window
A sequence of pictures of polypeptide synthesis shows a ribosome holding two transfer RNAs. One tRNA has a polypeptide chain attached to it; the other tRNA has a single amino acid attached to it. What does the next picture show?
 
End of Question 38


Question 39
39
Open Hint for Question 39 in a new window
A particular _____ contains the information for making a specific polypeptide, but _____ can be used to make any polypeptide.
 
End of Question 39


Question 40
40
Open Hint for Question 40 in a new window
What is the proper order of the following events in the expression of a eukaryotic gene?
1. translation
2. RNA processing
3.transcription
 
End of Question 40


Question 41
41
Open Hint for Question 41 in a new window
Which one of the following processes takes place in the nucleus?
 
End of Question 41


Question 42
42
Open Hint for Question 42 in a new window
Which summary of protein synthesis is correct?
 
End of Question 42


Question 43
43
Open Hint for Question 43 in a new window
Mutations are __________.
 
End of Question 43


Question 44
44
Open Hint for Question 44 in a new window
A geneticist found that a particular mutation had no effect on the polypeptide encoded by a gene. This mutation probably involved __________.
 
End of Question 44


Question 45
45
Open Hint for Question 45 in a new window
Imagine an error occurring during DNA replication in a cell, so that where there is supposed to be a T in one of the genes, there is instead a G. What effect might this have on the cell?
 
End of Question 45


Question 46
46
Open Hint for Question 46 in a new window
Ultraviolet (UV) radiation is damaging because it __________.
 
End of Question 46


Question 47
47
Open Hint for Question 47 in a new window
Genetic mutations __________.
 
End of Question 47


Question 48
48
Open Hint for Question 48 in a new window
The phage reproductive cycle that kills the bacterial host cell is a _____ cycle.
 
End of Question 48


Question 49
49
Open Hint for Question 49 in a new window
A prophage is a(n) __________.
 
End of Question 49


Question 50
50
Open Hint for Question 50 in a new window
Why are insects common vectors of plant viruses?
 
End of Question 50


Question 51
51
Open Hint for Question 51 in a new window
In enveloped RNA viruses, the viral enzyme that produces copies of the RNA is probably most similar to which eukaryotic enzyme?
 
End of Question 51


Question 52
52
Open Hint for Question 52 in a new window
Given the data in Figure 10.29, what would happen if flu vaccines were given at the beginning of summer instead of the start of winter?
 
End of Question 52


Question 53
53
Open Hint for Question 53 in a new window
How do retroviruses, such as HIV, differ from other viruses?
 
End of Question 53


Question 54
54
Open Hint for Question 54 in a new window
What is a major difference between prions and viruses?
 
End of Question 54


Question 55
55
Open Hint for Question 55 in a new window
Which of the following is an "emerging virus" that has a direct impact on human health?
 
End of Question 55


Clear Answers/Start Over




Answer choices in this exercise appear in a different order each time the page is loaded.




Pearson Copyright © 1995 - 2011 Pearson Education . All rights reserved. Pearson Benjamin Cummings is an imprint of Pearson .
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]