True or false on biotechnology

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Bt toxin comes from Bacillus thuringiensis.

2. Statement is true

   No

   Statement

   The toxin is active inside the bacterium.

3. Statement is true

   Yes

   Statement

   An alkaline gut activates the toxin.

4. Statement is true

   No

   Statement

   Insulin has three polypeptide chains.

5. Statement is true

   Yes

   Statement

   ADA deficiency affects the immune system.

6. Statement is true

   Yes

   Statement

   PCR can detect HIV in suspected cases.

Instructions

Decide whether each statement is true or false.

Explanation