Chapter 28 test

Which two enzymes are needed to produce recombinant plasmids?

• DNA polymerase and DNA ligase

• DNA polymerase and restriction enzyme

• restriction enzyme and DNA ligase

• restriction enzyme and RNA polymerase

Bacteria use restriction enzymes to

• synthesize proteins.

• synthesize DNA.

• destroy foreign proteins.

• destroy foreign DNA.

Which of the following is/are characteristic(s) of vectors used in recombinant DNA technology?

(1) They are proteins.

(2) They can replicate inside cells.

(3) They can have foreign DNA inserted into them.

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only

Which of the following statements about the production of human insulin by genetic engineering are correct?

(1) It involves the use of recombinant DNA technology.

(2) It has less risk of allergies than the traditional method.

(3) The cost of production is more expensive than the traditional method.

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

Which of the following are applications of recombinant DNA technology?

(1) production of Golden Rice

(2) using bacteria to produce cheese

(3) gene therapy

• (1) and (2) only

• (1) and (3) only

• (2) and (3) only

• (1), (2) and (3)

Which of the following is an example of bioremediation?

• using GM bacteria to produce human proteins

• using bacteria to extract metals from ores

• using bacteria to clean up oil spills

• adding nitrogen-fixing bacteria to the soil before planting crops

Gel electrophoresis is useful in

(1) distinguishing between different alleles of a gene.

(2) identifying a virus.

(3) purifying specific DNA fragments.

• (1) only

• (2) only

• (1) and (3) only

• (1), (2) and (3)

The diagram shows the DNA profiles of a mother and her three children.

• X only

• Y only

• Z only

• X and Z only

Which of the following correctly defines the human genome?

• all of the human genes

• all of the DNA in human cells

• all of the DNA and RNA in human cells

• none of the above

Which of the following are the goals of the Human Genome Project?

(1) sequence human DNA

(2) map human genes

(3) allow transfer of genes from other species to humans

• (1) and (2) only

• (1) only (3) only

• (2) and (3) only

• (1), (2) and (3)