Microbiology 301 EXAMS BUNDLE with Complete Solutions/ Correct-Verified Answers

. What best describes a 'Microbe'? (Lecture 1) a. A form of life that is relatively simple. b. A form of life that can make an animal sick. c. A form of life that requires a microscope to observe. d. A form of life that consists of a single cell. - ANSWER D

Match each statement with correct type of testing for antigen-antibody interaction. - ANSWER Typically used to identify an unknown antigen: direct testing Antigen is attached to a solid surface: direct and indirect testing Requires a labeled secondary antibody: indirect testing

A virion (viral particle) is composed of - ANSWER protein, either RNA or DNA, and possibly lipid Capsid - ANSWER the protein coat of a virion it protects the nucleic acid from enzymes and toxic chemicals in the environment Enveloped viruses - ANSWER Contains a lipid bilayer Acquire their envelop...

Lack a nucleus or membrane bound organelles, usually unicellular. Smaller and simpler than most eukaryotic cells. Contain two types of domain Bacteria and Archaea. - ANSWER Prokaryotic cells Ridged cell wall contains peptidoglycan. Includes a nucleoid (no nucleus) with no membrane- bound organel...

The instrument that produces a bright image of the specimen against a dark background is called a (n) ___________ microscope A. phase-contrast B. electron C. bright-field D. dark-field - ANSWER Dark-field After the decolorizer has been added in the Gram stain, gram-positive organisms are stain...