BIO 103 FINAL EXAM ACTUAL 2025/2026 CORRECTLY ANSWERED

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BIO 103 FINAL EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Control in an experiment - Answer -The part of an experiment that does not change and is used for comparison. Experimental group in an experiment - Answer -The group in an experiment that receives the variable being tested. Independent variable - Answer -The variable that is deliberately changed in a scientific experiment. Dependent variable - Answer -The variable being tested/observed and measured in a scientific experiment (the data we collect) Steps of the scientific method - Answer -1. Make an observation 2. Ask a question 3. Form a hypothesis 4. Make a prediction based on the hypothesis 5. Design & conduct a controlled experiment 6. Report results Elements necessary for life - Answer -Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur (CHNOPS) Characteristics of life - Answer -Made of cells, reproduce, based on a universal genetic code, grow & develop, obtain & use materials & energy, respond to their environment, maintain homeostasis, as a group change over time 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 (evolve) Parts of an atom and their charges - Answer -Protons (positive), neutrons (neutral), electrons (negative). Ion - Answer -An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. Isotope - Answer -Atoms of the same element with different numbers of neutrons. Metabolism - Answer -The combination of all the chemical reaction through which an organism builds up or breaks down materials as it carries out its life processes. Three common types of chemical bonds - Answer -Ionic, covalent, and hydrogen bonds. Ionic bond - Answer -Formed when one or more electrons are transferred from one atom to another resulting in the formation of positive & negative ions cation - Answer -A positively charged ion anion - Answer -A negatively charged ion covalent bonds - Answer -Bonds created by sharing electrons with other atoms. Strongest & most common form of chemical bond in living organisms. There are two types: polar covalent & nonpolar covalent polar covalent bond - Answer -unequal sharing of electrons resulting in slightly positive and slightly negative charges on the compound (example: water H2O) 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