A transgene is best described as Select one: a. hard to destroy once inserted in

Question

A transgene is best described as

Select one:

a. hard to destroy once inserted into a genome.

b. hard to study because of its transposons.

c. created by several of the DNA motifs.

d. an inserted foreign gene.

e. a result of endosymbiosis.

A 6.85 kb EcoRI fragment of DNA is shown below. The location of several restriction sites is indicated. Scale is approximate.

If you were to digest this DNA with PstI, which length of DNA fragment would migrate the fastest on an agarose gel?

Select one:

a. 803

b. 2622

c. 3425

d. 235

DNA primase

Select one:

a. creates a short RNA primer that is complementary to an RNA template.

b. creates a short DNA primer that is complementary to an RNA template.

c. creates a short DNA primer that is complementary to a DNA template.

d. creates a short DNA template that is complementary to an RNA primer.

e. creates a short RNA primer that is complementary to a DNA template.

During DNA replication, DNA pol III synthesizes the lagging strand in segments, called

Select one:

a. replication fragments.

b. Chargaff's segments.

c. repeating primers.

d. replisomes.

e. Okazaki fragments.

During DNA replication, each new strand begins with a short

Select one:

a. amino acid primer.

b. lipid primer.

c. hydrophilic primer.

d. DNA primer.

e. RNA primer.

During replication, which enzyme unwinds the DNA double helix?

Select one:

a. DNA primase

b. DNA polymerase I

c. DNA helicase

d. DNA gyrase

e. DNA ligase

Recombination frequency between genes can be used to generate a

Select one:

a. genetic map.

b. physical map.

c. restriction map.

d. haplotype map.

Some of the useful applications of genetic engineering include all of the following except

Select one:

a. bacteria that can digest oil in an oil spill.

b. growing glyphosate-resistant cotton.

c. development of hybrid corn to increase yield.

d. creation of Golden Rice.

e. salmon expressing a transgenic growth hormone gene.

The ends of chromosomes are called ________.

Select one:

a. telomeres

b. centromeres

c. caps

d. DNA termini

Explanation / Answer

1) A transgene is best described as: (d) an inserted foreign gene- from a different organism.

2) The picture has not been uploaded properly.

3) DNA primase - (e) creates a short RNA primer that is complementary to a DNA template.

4) During DNA replication, DNA pol III synthesizes the lagging strand in segments, called - (e) Okazaki fragments.

5) During DNA replication, each new strand begins with a short - (e) RNA primer.

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