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BIOD 171 EXAM 2025 QUESTIONS AND ANSWERS The study of microbes (microorganisms and viruses) and their biological processes - ....ANSWER ...-Microbiology What is the smallest biological unit of life - ....ANSWER ...-A cell Classified as a complex molecule that is composed from smaller subunits ....ANSWER ...-Macromolecule What are the four main types of macromolecules? - ....ANSWER ...-Proteins, carbohydrates, lipids and 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 re the two major types of nucleic acids and their roles? ....ANSWER ...-DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1