BIOD 171 / BIOL271 Microbiology with Lab – Module 1 – Portage Learning – Exam Review Questions with Answers

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BIOD 171 / BIOL271 Microbiology with Lab – Module 1 – Portage Learning – Exam Review Questions with Answers Introduction This document contains a comprehensive review of Module 1 microbiology concepts for BIOD 171 / BIOL271 with laboratory at Portage Learning. It covers bacterial cell structure and function, microbial genetics, bacterial growth, metabolism, antimicrobial resistance, microbial ecology, and laboratory concepts through exam-style questions with answers. The material serves as a complete study guide for the Module 1 exam and is ideal for reviewing foundational microbiology principles and laboratory applications. Exam Questions and Answers 1: What is the primary function of the bacterial cell wall?--- correct precise answer --- The primary function of the bacterial cell wall is to provide structural support and protection, maintaining the shape of the cell and preventing it from bursting in hypotonic environments. 2: Describe the role of ribosomes in bacterial cells.--- correct precise answer --- Ribosomes in bacterial cells are responsible for protein synthesis, translating genetic information from mRNA to build proteins necessary for cell functions. 3: What distinguishes Gram-positive bacteria from Gram-negative bacteria?--- correct precise answer --- Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, whereas Gram-negative bacteria have a thinner peptidoglycan layer and an outer membrane containing lipopolysaccharides.

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