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

Co-stimulatory molecules - ANSWER are produced in increasing amounts on dendritic cells after they have collected antigens and are migrating to lymph nodes serve as 'emergency lights' to let a T cell know that the antigen being presented is foreign are not initially produced on dendritic cells...

Microorganism - ANSWER a microscopic organism (>1mm) consisting of a singe cell, cell cluster or virus Importance of Microorganisms - ANSWER oldest form of life, largest mass of living material on Earth, carry out major bioecochemical cycles, live in places unsuitable for others, life forms n...

Resistance against infection developed through a series of vaccine doses represents a case of: - ANSWER Artificially acquired active immunity (C) Through an active, universal vaccination and monitoring program, the following human disease has been eradicated: - ANSWER Smallpox (B)

Domains of life - ANSWER Bacteria, Archaea, Eukarya Eukaryotic cell - ANSWER Cell that has a nucleus and other membrane-bound organelles Prokaryotic cell - ANSWER cell lacking a nucleus and most other organelles Magnification - ANSWER The ability to make things look larger than they are Resoluti...