Chapter B5. Biotecnologia e genomica #108777 - Prove ed esercizi Zanichelli

Biotechnology and Genomics

Which of these is a true statement?

A:

The complexity of an organism does not necessarily correlate with the number of coding genes.

B:

Genomes do not contain both coding and noncoding DNA.

C:

Bioinformatics is not used as a tool for studying genomes.

D:

Alternative splicing of existing genes in not possible.

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The polymerase chain reaction

Today, the polymerase chain reaction (PCR)

A:

uses RNA polymerase.

B:

takes place in huge bioreactors.

C:

uses a heat-tolerant enzyme.

D:

makes lots of nonidentical copies of DNA.

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Animal cloning

The major challenge to cloning animals is

A:

finding surrogate mothers.

B:

obtaining enough enucleated eggs.

C:

the health of cloned animals.

D:

keeping embryos alive in culture.

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Biotechnology and Genomics

Which of these pairs is mismatched?

A:

genome–all the genes of an individual

B:

proteome–all the proteins in an individual

C:

bioinformatics–all the genetic information present in the organism

D:

genetic profile–includes the mutations of an individual

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Clones

Which of the following is not a clone?

A:

a colony of identical bacterial cells

B:

identical quintuplets

C:

a forest of identical trees

D:

eggs produced by oogenesis

E:

copies of a gene produced through PCR

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Restriction enzymes

Restriction enzymes found in bacterial cells are ordinarily used

A:

during DNA replication.

B:

to degrade the bacterial cell's DNA.

C:

to degrade viral DNA that enters the cell.

D:

to attach pieces of DNA together.

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Recombinant DNA technology

Recombinant DNA technology is used

A:

for gene therapy.

B:

to clone a gene.

C:

to acquire GM bacteria.

D:

to clone a plasmid.

E:

for reproductive cloning.

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GM plants

Which of these are desired ends of GM plants?

A:

salt-tolerant crops

B:

drought-tolerant crops

C:

protein-enriched foods

D:

crops that can resist herbicides

E:

All of these are correct.

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The polymerase chain reaction

Which of the following is not required for the polymerase chain reaction?

A:

DNA polymerase

B:

RNA polymerase

C:

a DNA sample

D:

nucleotides

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Comparative genomics

The field of comparative genomics is not concerned with

A:

the function of gene products.

B:

the number of genes in various organisms.

C:

who is related to whom.

D:

how to cure human genetic diseases.

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