BIOL 1201 EXAM 1 (GREGG) ACTUAL 2025/2026 QUESTIONS AND VERIFIED ANSWERS

Content Preview

BIOL 1201 EXAM 1 (GREGG) ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS plasma membrane - Answer -The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - Answer -complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus - Answer -active in synthesis, modification, sorting, and secretion of cell products Lysosome - Answer -digestive organelle where macromolecules are hydrolyzed, and autophagy Mitachondrion - Answer -organelle where cellular respiration occurs and most ATP is generated Cytoskeleton - Answer -reinforces cell's shape; functions in cell movement; components are made of protein. Includes: Microfilaments, Intermediate filaments, Microtubules. Endoplasmic Reticulum - Answer -network of membranous sacs and tubes; active in membrane synthesis and other synthetic and metabolic processes; has rough (ribosome-studded) and smooth regions Rough ER - Answer -protein synthesis Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com Smooth ER - Answer -lipid synthesis calcium ion storage poison detoxification Nucleolus - Answer -nonmembranous structure involved in production of ribosomes; a nucleus has one or more nucleoli Chromatin - Answer -material consisting of DNA and proteins; visible in a dividing cell as individual condensed chromosomes cell wall - Answer -outer layer that maintains cell's shape and protects cell from mechanical damage; made of cellulose, other polysaccharides, and protein Chloroplast - Answer -photosynthetic organelle; converts energy of sunlight to chemical energy stored in sugar molecules central vacuole - Answer -prominent organelle in older plant cells; storage, breakdown of waste products, hydrolysis of macromolecules; enlargement of vacuole major mechanism of plant growth. Part complete The innermost electron shell of an atom can hold up to _____ electrons. - Answer -2 Which of these relationships is true of an uncharged atom? - Answer -The number of protons is equal to the number of electrons What determines the types of chemical reactions that an atom participates in? - Answer -the number of electrons in the outermost electron shell Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: tutorjean01@gmail.com