BY123 Exam 1: Functional Group Properties

Question 0

Carbonyl

Answer 0

• Make up ketones and aldehydes

- Ketone and aldehyde groups are found in sugars

Question 1

Hydroxyl

Answer 1

• Polar because of electrons spending more time near oxygen atom
• Can form hydrogen bonds with H2O molecules and help disable organic compounds

Question 2

Carboxyl

Answer 2

• Acts as an acid

Question 3

Amino

Answer 3

• Acts as a base

Question 4

Sulfhydryl

Answer 4

• Two can react and form a covalent bond

- This “cross-linking” helps stabilize proteins

Question 5

Phosphate

Answer 5

• Gives negative charge to its molecule

- Gives its molecule the potential to react with water, releasing energy

Question 6

Methyl

Answer 6

• Addition affects gene expression