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Chapter 15 Quiz

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Biology Quiz sobre Chapter 15 Quiz, criado por Tumaini Sango em 20-02-2017.
Tumaini Sango
Quiz por Tumaini Sango, atualizado more than 1 year ago
Tumaini Sango
Criado por Tumaini Sango mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
To produce animals with certain desirable characteristics by selective breeding, humans take advantage of
Responda
  • 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.

Questão 2

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

Questão 3

Questão
A plant cell is successfully transformed if
Responda
  • 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.

Questão 4

Questão
Which of the following findings, if true, would support CRITICS of GM crops?
Responda
  • 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.

Questão 5

Questão
What is an advantage of using transgenic bacteria to produce human proteins?
Responda
  • 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.

Questão 6

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

Questão 7

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

Questão 8

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

Questão 9

Questão
Gene therapy is successful if the
Responda
  • 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

Questão 10

Questão
Certain drugs can be used in plant breeding to make polyploid plants. These drugs
Responda
  • 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.

Questão 11

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

Questão 12

Questão
Which statement below might be used by someone who is arguing against the use of GM crops?
Responda
  • 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.

Questão 13

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

Questão 14

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

Questão 15

Questão
Which of the following would require the use of recombinant DNA?
Responda
  • 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.

Questão 16

Questão
Which protein creates DNA fragments with sticky ends?
Responda
  • DNA polymerase
  • DNA ligase
  • restriction enzyme
  • lysozyme

Questão 17

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

Questão 18

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

Questão 19

Questão
A polyploid plant has more than two copies of each gene.
Responda
  • True
  • False

Questão 20

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

Questão 21

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

Questão 22

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

Questão 23

Questão
What does this picture represent?
Image:
75eb58cb-65cd-41fc-bec2-e9c579db8d59 (image/jpeg)
Responda
  • 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

Questão 24

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

Questão 25

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

Questão 26

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

Questão 27

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

Questão 28

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

Questão 29

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

Questão 30

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

Questão 31

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

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