BIO 1201 FINAL EXAM ACTUAL 2025/2026 CORRECTLY ANSWERED 100% PASS

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BIO 1201 FINAL EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS CUMULATIVE CHAPTER 2: The Chemical Context of Life Which four elements make up approximately 96% of living matter? A) Carbon, hydrogen, oxygen, and nitrogen B) Sodium, potassium, calcium, and iron C) Water, oxygen, carbon dioxide, and salt D) Calcium, phosphorus, potassium, and sulfur - Answer -A) Carbon, hydrogen, oxygen, and nitrogen What is the atomic number of an element? A) The number of protons B) The number of neutrons C) The sum of protons and neutrons D) The number of valence electrons - Answer -A) The number of protons How do isotopes of an element differ? A) In their number of protons B) In their number of electrons C) In their number of neutrons D) In their atomic number - Answer -C) In their number of neutrons What type of bond involves the sharing of electrons between atoms? 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 A) lonic bond B) Hydrogen bond C) Covalent bond D) Van der Waals interaction - Answer -C) Covalent bond A hydrogen bond can form between: A) Two hydrogens in the same molecule B) The hydrogen of one molecule and an electronegative atom of another C) Two carbon atoms D) Two positively charged ions - Answer -B) The hydrogen of one molecule and an electronegative atom of another CHAPTER 3: Water and Life Which property of water is most directly responsible for the ability of insects to walk on water? A) Specific heat B) Adhesion C) Surface tension D) Heat of vaporization - Answer -C) Surface tension Water's high specific heat helps to: A) Dissolve all substances B) Buffer pH in cells C) Stabilize ocean temperatures D) Heat quickly for enzyme activity - Answer -C) Stabilize ocean temperatures What causes water to be polar? 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