Uses of Genetic Engineering – Check Test

1. The following is a list of the major steps involved in the

production of human insulin by genetic engineering. The steps

are not in the correct order.

1. Insulin gene inserted into plasmid

2. Plasmid extracted from bacterium and cut open

3. Insulin extracted and purified

4. Insulin gene cut out from chromosome

5. Plasmid inserted into bacterium

6. Bacterium grown in suitable conditions

What is the correct order of these steps?

A 2, 1, 4, 5, 3, 6

B 4, 2, 1, 5, 6, 3

C 4, 2, 1, 5, 3, 6

D 1, 2, 5, 4, 6, 3

2. Insulin produced by genetic engineering is preferable to insulin

obtained from animals because

A it is purer than animal insulin.

B bacteria cannot make human insulin.

C animal insulin cannot treat diabetes.

D it does not cause an allergic reaction.

3. What is the name of the condition in which blood fails to

clot properly?

A Haemophobia

B Haemophilia

C Haemoglobin

D Haemolysis

4. Blood – clotting proteins produced by genetic

engineering

A carry the risk of disease.

B are cheap to produce.

C are not contaminated with viruses.

D stop blood clotting properly.

5. Gene therapy is when

A genes are given as medicine.

B proteins are used to make genes.

C new genes are made in the body.

D defective genes are replaced.

6. Genetic engineering can be used to help fight human

diseases by making

A medically useful proteins in animal milk.

B antibodies more effective.

C stronger proteins to kill bacteria.

D disease- resistant crops.

7. Oral vaccines can be obtained from genetically engineered

A bacteria.

B yeast.

C maize.

D humans.

8. Which type of useful substance can be produced in the milk

of genetically engineered mammals?

A Proteins

B Fats

C Carbohydrates

D Vitamins