BIOS 256 Exam 2 Questions & Answers
2026/2027 | Verified Exam Questions
(Rationales)
Comprehensive Examination Question Bank • Concept Mapping
TOTAL QUESTIONS EXAM TOPICS RATIONALES
32 Questions 4 Modules 100% Verified
DOCUMENT OVERVIEW
This document contains 32 verified questions with correct answers and detailed rationales covering
fundamental concepts in biochemistry and physiology. It provides structured information that is suitable for
study, review, and preparation for examinations in biological sciences and related fields.
EXAM BLUEPRINT & TOPIC DISTRIBUTION
Systematic breakdown of subject domains and exam coverage.
Topic Module Scope & Core Focus Questions Share (%)
Explores the six classes of nutrients and their biochemical
Nutritional Biochemistry roles. 7 Qs 21.9%
Covers catabolic and anabolic processes, including glucose
Metabolic Pathways and lipid metabolism. 10 Qs 31.2%
Hormonal Regulation of Examines the hormonal influences on metabolic states such
Metabolism as fed and fasting. 6 Qs 18.8%
Focuses on kidney functions, including glomerular filtration
Renal Physiology and homeostasis. 9 Qs 28.1%
Total Exam Coverage 4 Integrated Topic Modules 32 Qs 100.0%
Confidential • Student Study Edition • Practice & Review Guide Page 1 of 12
, STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
TOPIC 1: NUTRITIONAL BIOCHEMISTRY
7 Questions • 21.9% of Exam • Explores the six classes of nutrients and their biochemical roles.
QUESTION 1
6 classes of nutrients
Answer: Water, carbs, lipids, proteins (macronutrients) vitamins & minerals (micronutrients)
Rationale: The six classes of nutrients are categorized into macronutrients and micronutrients.
Macronutrients, required in larger quantities, include water, carbohydrates, lipids, and proteins.
QUESTION 2
Carbs come in 3 forms
Answer: Monosaccharides: glucose, galactose, fructose
disaccharides: sucrose, maltose, lactose
polysaccharides: starch, glycogen, cellulose.
Rationale: Carbohydrates are classified into three main categories based on their molecular structure:
monosaccharides, disaccharides, and polysaccharides. Monosaccharides are simple sugars that cannot be broken down
further, with glucose, galactose, and fructose being common examples.
QUESTION 3
Proteins are made of
Answer: Amino acids.
Rationale: Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid
residues. Amino acids are the building blocks of proteins, linked together by peptide bonds.
Confidential • Student Study Edition • Practice & Review Guide Page 2 of 12