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Chapter 15 Quiz

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Biology Quiz on Chapter 15 Quiz, created by Tumaini Sango on 20/02/2017.
Tumaini Sango
Quiz by Tumaini Sango, updated more than 1 year ago
Tumaini Sango
Created by Tumaini Sango almost 8 years ago
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Resource summary

Question 1

Question
To produce animals with certain desirable characteristics by selective breeding, humans take advantage of
Answer
  • the natural variations that exist among individuals
  • the ideal traits produced by genetic engineering.
  • recombinant plasmids with foreign DNA>
  • drugs and radiation that can cause new mutations to arise.

Question 2

Question
What has been an advantage of producing transgenic plants?
Answer
  • increasing the food supply
  • using more pesticides
  • producing clones
  • studying human genes

Question 3

Question
A plant cell is successfully transformed if
Answer
  • a plasmid enters the cell and the cell breaks down the plasmid
  • the cell integrates foreign DNA into one of its chromosomes.
  • the cell reproduces normal offspring, which also produce offspring.
  • a plasmid is unable to enter the cell.

Question 4

Question
Which of the following findings, if true, would support CRITICS of GM crops?
Answer
  • Bt corn is proven harmless to butterflies.
  • Bt cotton requires farmers to use less insecticide on their fields.
  • Bt corn reduces the populations of bees needed to pollinate the plants.
  • Bt cotton produces high crop yields than other cotton.

Question 5

Question
What is an advantage of using transgenic bacteria to produce human proteins?
Answer
  • The human proteins produced by transgenic bacteria work better than those produced by humans.
  • Transgenic bacteria can produce human proteins in large amounts.
  • The human proteins produced by transgenic bacteria last longer than those produced by humans.
  • Transgenic bacteria can produce human proteins used to make plastics.

Question 6

Question
The process of making changes in the DNA code of a living organism is called
Answer
  • selective breeding.
  • genetic engineering.
  • inbreeding.
  • hybridization.

Question 7

Question
One reason farmers often choose GM crops over non-GM crops because GM crops are
Answer
  • less controversial
  • less expensive
  • much productive
  • much safer

Question 8

Question
A DNA molecule produced by combining DNA from different sources is known as
Answer
  • a mutant.
  • a hybrid.
  • a polyploid.
  • recombinant DNA.

Question 9

Question
Gene therapy is successful if the
Answer
  • viruses carrying the replacement gene infect the person’s cells
  • replacement gene is REPLICATED in the person’s cells.
  • replacement gene is EXPRESSED in the person’s cells.
  • replacement gene is successfully spliced to viral DNA

Question 10

Question
Certain drugs can be used in plant breeding to make polyploid plants. These drugs
Answer
  • change the number of chromosomes found in cells.
  • change eukaryotic plants into prokaryotic plants.
  • frequently cause mutations, which create new alleles and genes.
  • insert foreign DNA into plant chromosomes.

Question 11

Question
What kind of technique do scientists use to make transgenic organisms?
Answer
  • hybridization
  • inbreeding
  • inducing of mutations
  • genetic engineering

Question 12

Question
Which statement below might be used by someone who is arguing against the use of GM crops?
Answer
  • GM crops reduce the amount of land and energy that need to be devoted to agriculture because they have high yields.
  • GM crops need more insecticide to be used than other crops because they grow faster.
  • The patents for the seeds of GM crops are held by big companies, which may raise prices and force small farmers out of business.
  • No studies have shown that GM crops are dangerous to human health.

Question 13

Question
To create animals that have the characteristics of both species, some people have bred buffalo and cattle together. This is an example of
Answer
  • inbreeding
  • hybridization
  • genetic engineering
  • transformation

Question 14

Question
Which of the following has the disadvantage of possibly bringing two recessive alleles together and causing a genetic defect?
Answer
  • inbreeding
  • hybridization
  • genetic engineering
  • transformation

Question 15

Question
Which of the following would require the use of recombinant DNA?
Answer
  • Crossing two apple trees to create better apples.
  • Breeding a donkey and a horse to make a mule.
  • Engineering bacteria that produce human insulin.
  • Creating a polyploid banana tree.

Question 16

Question
Which protein creates DNA fragments with sticky ends?
Answer
  • DNA polymerase
  • DNA ligase
  • restriction enzyme
  • lysozyme

Question 17

Question
The purpose of gene therapy is to
Answer
  • treat genetic disorders.
  • determine the sequences of genes.
  • remove mutations from genes.
  • change dominant alleles to recessive alleles.

Question 18

Question
During a polymerase chain reaction, the number of DNA copies increases exponentially with each cycle.
Answer
  • True
  • False

Question 19

Question
A polyploid plant has more than two copies of each gene.
Answer
  • True
  • False

Question 20

Question
Native Americans took teosine and used selective breeding to make corn, a more productive and nutritious plant.
Answer
  • True
  • False

Question 21

Question
Animal breeders maintain cat and dog breeds by the process of hybridization.
Answer
  • True
  • False

Question 22

Question
In Figure 15–1, between which nucleotides is the DNA cut?
Image:
3985f3a8-1b67-48e1-96ce-9c3ccf38e29f (image/jpeg)
Answer
  • adenine and thymine
  • cytosine and guanine
  • thymine and cytosine
  • adenine and guanine

Question 23

Question
What does this picture represent?
Image:
75eb58cb-65cd-41fc-bec2-e9c579db8d59 (image/jpeg)
Answer
  • gel electrophoresis being used to sequence DNA
  • hybridization being used to manipulate DNA
  • an enzyme being used to cut DNA
  • polymerase chain reaction being used to copy DNA

Question 24

Question
During which numbered Steps is a restriction enzyme used?
Image:
153f957c-e081-4504-b3e9-e5ef729e79a5 (image/jpeg)
Answer
  • 1 and 7
  • 2, 3, and 4
  • 5 and 6
  • 6 and 7

Question 25

Question
What process is being illustrated?
Image:
a015c032-c01b-4e7c-98ff-3392944d74dc (image/jpeg)
Answer
  • The Central Dogma
  • Transformation
  • Doping
  • Genetic Engineering

Question 26

Question
During which steps are bacteria reproducing?
Image:
eec0d2b0-0b94-4bc3-ba53-1b5002451c72 (image/jpeg)
Answer
  • 6 and 7
  • 1 and 2
  • 3
  • 4 and 5

Question 27

Question
Which steps represent the recombinant plasmid?
Image:
5908d73f-33e4-4e6f-84f0-76a25af2264c (image/jpeg)
Answer
  • 5
  • 7
  • 1
  • 4

Question 28

Question
Which sheep is the source of the nucleus in the fused cell?
Image:
6b4ed6b6-a4cf-4b89-9458-88c9adf1571f (image/jpeg)
Answer
  • Sheep A
  • Sheep B
  • Sheep C
  • Lamb

Question 29

Question
Which animal is the clone?
Image:
20511960-c468-4425-9ad7-28475fca2421 (image/jpeg)
Answer
  • Sheep B
  • Sheep C
  • Sheep A
  • Lamb

Question 30

Question
Which two animals are genetically identical?
Image:
bb754b3f-96c5-4d00-85a8-6429accb360a (image/jpeg)
Answer
  • Sheep C and Lamb
  • Sheep B and Lamb
  • Sheep A and Sheep B
  • Sheep A and Lamb

Question 31

Question
Which sheep provided an egg cell?
Image:
1f6d7e0e-600d-4e6c-82cf-75ba75feed85 (image/jpeg)
Answer
  • Sheep B
  • Sheep C
  • Sheep A
  • Lamb
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