BIO 251 – Anatomy & Physiology | Exam Q&A (40) | DNA, Cell Cycle, Mitosis – 2025/2026

This document provides a comprehensive set of 40 solved exam questions for BIO 251: Anatomy & Physiology, specifically Chapter 3 Part B. It is a focused study guide covering key molecular biology and cellular processes, including the structure and function of DNA and RNA, the full cell cycle (interphase, mitosis, cytokinesis), meiosis, DNA replication (with enzymes such as helicase, polymerase, ligase), transcription, and translation. Each question is answered clearly and correctly, with terminology explained to reinforce both conceptual understanding and exam readiness. The format is ideal for students enrolled in Nursing, Pre-Med, Biomedical Sciences, Health Sciences, and Introductory Biology courses at the university level. It may also support those preparing for standardized health or biology-related entrance exams. This document offers precise, high-yield information aligned with the 2025/2026 curriculum, perfect for review and reinforcement. Keywords: cell cycle, DNA, mitosis, meiosis, interphase, transcription, translation, protein synthesis, Okazaki fragments, codon, anticodon, enzymes, RNA, gene expression, replication, helicase, polymerase, ligase, cytokinesis, telophase, prophase, metaphase, anaphase, triplets, stem cells, apoptosis, mRNA, tRNA, rRNA, nucleus, chromosome alignment, chromatid separation