MCB 2010C – Microbiology @2024 -2025 MCB 2010C Microbiology F inal Exam L atest 2024 |2025 FALL -SPRING FSW GRADED A+ Microorganisms characterized by the lack of a nucleus are prokaryotes What are characteristics of non -living viruses? 1) Need host to act as a metabolic source 2) Lack their own cell membrane 3) Unable to reproduce independent of host cell 4) Do not grow larger in size What is found in ALL bacterial cell walls? Peptidoglycan A bacterial cell moving away from toxins is an example of Chemotaxis What powers the process of flagella rotation? A proton gradient What structure allows bacteria to hide from white blood cells? MCB 2010C – Microbiology @2024 -2025 Capsule What structure is used to exchange DNA? Pilli What is the mordant used in gram staining? Iodine What structure allows for bacteria to stay dormant for long periods of time? Endosp ore When using low power (4x), what is the total magnification? 40x Which two group are endospore formers? Bacillus and Clostridium The power to distinguish between two separate objects in close proximity? Resolution Where does glycolysis occur? In the Cytoplasm MCB 2010C – Microbiology @2024 -2025 What are outposts from glycolysis? NADH, pyruvic acid, and ATP In the absence of oxygen, what can a facultative bacteria do to obtain ATP? Anaerobic respiration with ATP synthase Least to most ATP production Fermentation < Anaerobic Respiration < Aerobic Respiration For each acetyl -CoA molecule, how many NADH are generated? 3 What is recycled during fermentation? NAD+ In aerobic respiration, what can be used as a terminal electron acceptor? Nitrogen Where does fermentation occur? In the cytoplasm
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