True or false about restriction enzymes

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   Exonucleases cut within a DNA strand.

2. Statement is true

   Yes

   Statement

   Hind II reads a six base pair sequence.

3. Statement is true

   Yes

   Statement

   Restriction sites in DNA are palindromic.

4. Statement is true

   No

   Statement

   Only nine restriction enzymes are known.

5. Statement is true

   Yes

   Statement

   Cut ends that pair up are called sticky ends.

6. Statement is true

   Yes

   Statement

   The first letter of the name gives the genus.

Instructions

Decide whether each statement is true or false.

Explanation