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BIO 181 Exam 2 – 100+ Questions & Correct Answers | Cellular Respiration, Immunity, Digestion, DNA & RNA – 2025/2026 | Arizona State University

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This document provides over 100 verified and accurate exam questions with answers for BIO 181 – General Biology I at Arizona State University (ASU), covering content for Exam 2 in the 2025/2026 academic year. It is specifically crafted for students seeking a detailed, trustworthy study aid for topics including cellular respiration, immune system function, digestion and absorption, DNA replication, RNA transcription/translation, and photosynthesis. The material is presented in a clear Q&A format featuring multiple choice, true/false, and open-ended conceptual questions. Key topics include glycolysis, the citric acid cycle, MHC complexes, lymphatic structures, vitamin absorption, protein synthesis, codon matching, introns vs exons, and transcriptional processes. Also covered are enzyme functions, immune response mechanisms (e.g., B and T cells), and nucleic acid structure. This document is highly beneficial for: Biology and biomedical science majors Pre-med, pre-nursing, and health science students Courses related to Molecular Biology, Cellular Biology, Human Physiology, and Introductory Biochemistry Anyone preparing for BIO 181 midterms, finals, or standardized exams involving biology fundamentals Whether you're looking to reinforce lecture content, prepare for high-stakes assessments, or gain clarity on biological mechanisms, this document offers a comprehensive, structured, and academically aligned resource. Keywords: BIO 181, cellular respiration, glycolysis, Krebs cycle, immune system, digestion, absorption, DNA replication, RNA transcription, protein synthesis, codons, lymphatic system, antibodies, histamine, MHC, ASU biology exam

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ASU BIO 181 Exam 2 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update



Specifically in a cell where does Glycolysis occur? - 🧠ANSWER

✔✔Cytoplasm


T/F The cell does not need ATP to survive. - 🧠ANSWER ✔✔False


Where is carbon dioxide produced? - 🧠ANSWER ✔✔Mitochondrial matrix


T/F The citric acid/Kreb's cycle breaks down carbohydrates into CO2. -

🧠ANSWER ✔✔True


T/F FADH2 results as one of the products of the citric acid cycle. -

🧠ANSWER ✔✔True


Specifically where in a cell does the citric acid/Kreb's cycle occur? -

🧠ANSWER ✔✔Mitochondrial Matrix

, Glycolysis requires the investment of two_________ in order to obtain a

gross output of four ________ . - 🧠ANSWER ✔✔ATP, ATP


Does gravity have a role in some part of the lymphatic fluid flow back to the

circulatory system? - 🧠ANSWER ✔✔Yes


T/F Natural killer cells are part of the specific immune system. - 🧠ANSWER

✔✔False


T/F You should have your appendix removed whenever possible. -

🧠ANSWER ✔✔False


How does the lymph fluid return from the legs to the circulatory system? -

🧠ANSWER ✔✔A one way valve pushing it up, with the help of muscles

contracting around it.

If a macrophage endocytoses (i.e., eats) an antigen it can digest it and

present it on a ______________ Major histocompatibility complex protein

to a ______________. - 🧠ANSWER ✔✔Class II, Helper T Cell


T/F Having a fever of 100 Fahrenheit can help you fight off infections. -

🧠ANSWER ✔✔True


T/F Mast cells release histamine. - 🧠ANSWER ✔✔True

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