PORTAGE LEARNING MICROBIO 171 BIOD
STUDY GUIDE EXAM 2026 QUESTIONS WITH
CORRECT ANSWERS 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
STUDY GUIDE EXAM 2026 QUESTIONS WITH
CORRECT ANSWERS 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
