Portage Learning Microbiology UPDATED
SCRIPT 2026 PRACTICE SOLUTIONS
GRADED A+
● What is the smallest biological unit of life? Answer: A Cell
● What is a macromolecule? Answer: A macromolecule is classified as
a complex molecule that is composed from smaller subunits.
● What are the four main types of macromolecules? Answer: 1.
Carbohydrates
2. Lipids
3. Proteins
4. Nucleic Acids
● What various functions do proteins have in a cell? Answer: Proteins
may facilitate the movement of materials in or out of a cell. Some can
act as enzymes that catalyze, or speed up, biochemical processes. Others
play a structural role while other proteins, such as filaments, enable
movement.
● What are the two major types of nucleic acids and their roles?
Answer: There are two major types of nucleic acids: DNA
(deoxyribonucleic acid) and RNA (ribonucleic acid). Nucleic acids are
SCRIPT 2026 PRACTICE SOLUTIONS
GRADED A+
● What is the smallest biological unit of life? Answer: A Cell
● What is a macromolecule? Answer: A macromolecule is classified as
a complex molecule that is composed from smaller subunits.
● What are the four main types of macromolecules? Answer: 1.
Carbohydrates
2. Lipids
3. Proteins
4. Nucleic Acids
● What various functions do proteins have in a cell? Answer: Proteins
may facilitate the movement of materials in or out of a cell. Some can
act as enzymes that catalyze, or speed up, biochemical processes. Others
play a structural role while other proteins, such as filaments, enable
movement.
● What are the two major types of nucleic acids and their roles?
Answer: There are two major types of nucleic acids: DNA
(deoxyribonucleic acid) and RNA (ribonucleic acid). Nucleic acids are