functional groups

Question 1

Hydroxyl groups

Answer 1

molecular formula : -OH
characteristics : Polar , Alchohol

Question 2

Carbonyl groups

Answer 2

molecule structure: double bonded to oxygen
characteristics: Aldehyde or Ketone ; Polar group

Question 3

Carboxyl

Answer 3

molecule structure: hydroxyl (single bonded)
and carbonyl (double bonded O group ) COOH

characteristics: polar

Question 4

Amino

Answer 4

molecular formula : -NH2
characteristics : Amine , polar , weak base

Question 5

sulfihydral

Answer 5

molecular formula : -SH
characteristics : form disulfide bridge

Question 6

Phosphate

Answer 6

molecular formula : - PO4^2-
characteristics: found in ATP and DNA

Question 7

Hydrocarbons are not soluble in water because …

Answer 7

they’re nonpolar

Question 8

The functional group that can cause an organic molecule to act as a base is …

Answer 8

An amino group

Question 9

The functional group that confers acidic properties to organic molecules is …

Answer 9

A carboxyl group

Question 10

What functional group is a part of ATP and what is the role of ATP in the cell ?

Answer 10

Phosphate groups , ATP provides releasable energy for cellular function

Question 11

What is the difference between hydrophilic and hydrophobic

Answer 11

Hydrophilic : Water loving / polar
Hydrophobic : Hate water / non polar