1. A bacterium contains one chromosome and one or more small circular .

2. Which of the following is not made by genetic engineering?

    insulin

    human growth hormone

    pepsin

    interferon

3. The genotype of an organism can be altered using genetic engineering.

    True

    False

4. Biological detergents contain produced by bacteria.

5. What was the first antibiotic to be discovered?

6. The use of non-biological washing powders saves energy.

    True

    False

7. In order to easily separate products from enzymes we can the enzyme by fixing it to jelly beads.

8. What term is used to describe a micro-organism which is unaffected by an antibiotic?

9. A multidisc contains a range of to test the sensitivity of certain bacteria.

10. Insulin is an enzyme used to prevent diabetes.

    True

    False