Basic Chemistry

Question 1

The movement of ions across cell membranes is an example of:

Answer 1

Electrical energy

Question 2

When a pair of electrons is shared equally between two atoms, the bond formed is call a…

Answer 2

Non-polar covalent bond

Question 3

Monomers are joined together to form more complex molecules through…

Answer 3

Synthesis reactions

Question 4

The organic compounds that function in building tissues and acting as enzymes are the:

A - proteins
B - nucleic acid
C - lipids
D - Carbohydrates
E - Salts

Answer 4

A - Proteins

Question 5

Saturated fats

A - contain many double bonds
B - exist as solids at room temp
C - have two fatty acid chains
D - are formed from 4 interlocking carbon rings
E - exist as liquids and are derived from plants

Answer 5

B - exist as solids at room temp

Question 6

Which of these is an enzyme?

A - glucose
B - omega-3 fatty acid
C - nucleotide
D - triglyceride
E - oxidase

Answer 6

E - Oxidase

Question 7

A lipid containing three fatty acid chains and one glycerol is called

A - a steroid
B - cholesterol
C - glycogen
D - a triglyceride
E - a polysaccharide

Answer 7

D - a triglyceride