Exam 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU

Exam 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: Nucleolus: nonmembranous structure involved in production of ribosomes; a nucleus has one or more nucleoli Q: Chromatin Answer: material consisting of DNA and proteins; visible in a dividing cell as individual condensed chromosomes Q: cell wall Answer: outer layer that maintains cell's shape and protects cell from mechanical damage; made of cellulose, other polysaccharides, and protein Q: Chloroplast Answer: photosynthetic organelle; converts energy of sunlight to chemical energy stored in sugar molecules Q: 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. Q: Part complete The innermost electron shell of an atom can hold up to _____ electrons. Answer: 2 Q: Which of these relationships is true of an uncharged atom? Answer: The number of protons is equal to the number of electrons Q: What determines the types of chemical reactions that an atom participates in? Answer: the number of electrons in the outermost electron shell Q: What type of bond is joining the two hydrogen atoms? Answer: covalent Q: A(n) _____ refers to two or more atoms held together by covalent bonds. Answer: molecule Q: This atom can form up to _____ single covalent bond(s) Answer: 4 Q: A(n) _____ bond joins these two oxygen atoms. Answer: double covalent Q: Part complete What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? Answer: 6 Q: Part complete Which of these refers to atoms with the same atomic number but different atomic masses? Answer: these atoms are isotopes Q: Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have? Answer: