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BIOL 235 Quiz 1 – Complete Study Guide and Practice Questions

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This document covers the key concepts for BIOL 235 Quiz 1, including the fundamentals of cell biology, biological macromolecules, membrane structure and transport, enzymes, and basic molecular biology. It includes organized study notes, key definitions, diagrams, and practice questions with answers to help students prepare effectively for the first quiz. The material is structured for efficient review and reinforces the foundational principles of biology.

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BIOL 235: QUIZ 1 WITH
QUESTIONS AND 100% CORRECT
ANSWERS GRADED A+ 2026
UPDATE!!
What is Physiology: - answer-emphasizes cause-effect mechanisms



A hypothesis is scientific if it: - answer-can be tested



an integrating center sends information to - answer-an effector



Homeostasis is best thought of as being a state of - answer-dynamic constancy



embryonic stem cells can form UNRELATED cell types: these are known as... - answer-
pluripotent cells



how much of the total body water content is in the intracellular compartment? - answer-
67%



What is selective permeability? - answer-term which describes membrane that allows
only certain molecules to pass



A solution consist of ____ which dissolves the ____ - answer-solvent, solute



A channel present in membrane of some cells that allow rapid movement of water are
called - answer-Aquaporins



The rate of diffusion is influenced by: - answer-membrane surface area

concentration gradient

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