Unit 1 FRQs

Question 1

Polarity of water

Answer 1

Covalent bonds created by the unequal sharing of OH molecules.

Question 2

High heat capacity

Answer 2

Water’s ability to absorb heat without changing it’s temperature.

Question 3

Adhesion

Answer 3

Attraction to other polar or charged molecules.

Question 4

Cohesion

Answer 4

Attraction to other water molecules.

Question 5

What did Miller find in his experiment?

Answer 5

That organic molecules may have been synthesized abiotically in the atmosphere in the early Earth. (CHONPS)

Question 6

What molecule does protein NOT contain?

Answer 6

Phosphate

Question 7

Active site

Answer 7

Special region in an enzyme where enzyme activity takes place.

Question 8

How does an enzyme work?

Answer 8

By binding substrates to its active site
(Two molecules)

Question 9

What is the enzymes job?

Answer 9

To convert the substrate into product(s) through chemical reactions.
Products are released and enzyme gets new substrates.

Question 10

Induced fit model

Answer 10

Active site undergoes slight change in shape to fit the substrate.

Question 11

Without proper pH or temperature, an enzyme will

Answer 11

Denature