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BIO 230 Exam 1 – Moberly 2025 Questions and Answers What are cells? - ....ANSWER☑️☑️...-small units enclosed with membranes that are filled with a concentrated aqueous solution of chemicals; they are able to replicate by growing and dividing What is an example of a solitary cell? - ....ANSWER☑️☑️...-a paramecium (has one cell [unicellular], is one of the simplest forms of life) How are organisms able to be multicellular? - ....ANSWER☑️☑️...-a single found cell grows and divides to make a community of cells How can cells be different from each other? - ....ANSWER☑️☑️...-they can have different chemical requirements or functions and be different sizes or shapes How are form and function of cells related? - ....ANSWER☑️☑️...-form determines function What similarities do all living cells have? - ....ANSWER☑️☑️...-they all evolved from the same ancestral cell (3.5-3.8bya), follow the laws of chemistry and physics, have similar basic chemistry: similar macromolecules (nucleic acids [genes], proteins, carbohydrates, and lipids) Describe how cells evolve - ....ANSWER☑️☑️...-Through mutations in selfreplication, which occurs through the relationship of DNA, RNA, and proteins. When DNA replication occurs, mutations can happen where there's a change in the FOR STUDY PURPOSES ONLY ©️ 2025 ALL RIGHTS RESERVED 1