Multiple Choice -Biochemistry

Question 1

Functional Groups

Answer 1

Hydroxyl -OH
Carbonyl =O
Carboxyl -COOH/ OH-C=O
Amino -NH2/ H-N-H
Phosphate -PO4
Sulfhydryl -SH

Question 2

How phospholipids arrange themselves in the phospholipid bilayer?

Answer 2

The hydrophilic end of the phospholipid faces outward toward water and hydrophobic fatty acid tails face inward toward each other.

Question 3

Types of Reactions

Answer 3

Hydrolysis: Adding water to split a larger molecule into smaller subunits (water reactant)
Dehydration/Condensation: Subunits of a larger molecule are joined together by the removal of water. (water product)
Redox: an electron transfer

Question 4

Laws of Thermodynamics

Answer 4

First Law: energy can be transferred or transformed but it cannot be created or destroyed.
Second Law: Every time energy is converted to another form, some of the energy becomes unusable