Prince George Community College » Biology » Bio 1010 - General Biology » Summer 2022

Question #1

The enzyme lactase breaks the disaccharide lactose into monosaccharides. Which of the following is not a monosaccharide?

A. glucose

B. starch

C. fructose

D. galactose

E. All of the above are monosaccharides.

Question #2

The Cl- ion has a single negative charge and the atomic number of 17. How many electrons are on its innermost shell?

A. 12

B. 2

C. 15

D. 9

E. 8

Question #3

When electrons are shared equally between two atoms you have formed what type of bond?

A. metallic bond

B. covalent bond

C. hydrogen bond

D. ionic bond

E. polar covalent bond

Question #4

Neutrons carry a positive charge that is why the core of an atom is positively charged.

A. False

B. True

Question #5

Acids are found on the pH scale above the number 7.

A. False

B. True

Question #6

Atoms that have the same number of protons but differ in the number of neutrons are called ________.

A. monotopes

B. isotopes

C. prototopes