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WGU C190 INTRO TO BIOLOGY UNIT 3 EXAM 2025 QUESTIONS AND ANSWERS Features of DNA - ....ANSWER ...-Function: Stores genetic information. Location: Remains in the nucleus. Structure: Double helix. Sugar: Deoxyribose. Pyrimidines: Cytosine, Thymine. Purines: Adenine, guanine. Features of RNA - ....ANSWER ...-Function: Involved in protein synthesis. Location: Leaves the nucleus. Structure: Usually single-stranded. Sugar: Ribose. Pyrimidines: Cytosine, uracil. Purines: Adenine, guanine. Actin - ....ANSWER ...-Filament in the Cytoskeleton which has a prominent role in cell movement, maintaining cell shape, and connection to other cells, as well as intracellular transport. Cell Membrane - ....ANSWER ...-provides a barrier between the interior and exterior of the cell and it regulates the flow of substances in and out of the cell. Cell wall - ....ANSWER central vacuole - ....ANSWER ...-Protective layer for prokaryotes, made of peptidoglycan. ...-In a plant cell. can be a place of storage, degradation, defense, and even physical support for the cell. ...COPYRIGHT ©️ 2025, ALL RIGHTS RESERVED..... 100% PASS RATE 1