MCB 100 - Study guides, Class notes & Summaries

MCB 100 UIUC FINAL EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 Clostridium botulinum - Answers G+ Obligate anaerobe, produces heat-resistant endospores, growing (or vegetative) cells produce an A-B type toxin that causes flaccid paralysis (flaccid = limp, no muscle contraction), normal habitat is anaerobic soils and sediments, chemoautrophic, degrades dead organic matter, ingestion of the toxin causes botulism. the toxin is used (in sub-lethal doses) to treat nervous tics, reduc...

UIUC MCB 100 Exam 3 Questions with Correct Answers Latest Update 2025/2026 What is one reason that does NOT explain why animal reservoirs contribute to human diseases more than human reservoirs do? - Answers Animal immune systems are more evolved to prevent cross species transmissions than human immune systems What is a zoonosis? - Answers A disease that spreads naturally between animals and humans Why is the tube emptying the bladder (urethra) more likely to be a portal of exit than a portal...

UIUC MCB 100 Exam 2 Questions with Correct Answers Latest Update 2025/2026 Who created the 5 kingdom classification? - Answers Robert Whittaker What kingdom is yeast classified as? - Answers Fungi What is the universal tree of life based on? - Answers ribosomal 16S rRNA genes What is the basis for assigning organisms into the three different domains of life (Bacteria, Archaea, and Eukarya)? - Answers rRNA gene sequences What's the difference between Streptococcus and Staphylococcus? - An...

UIUC MCB 100 EXAM 1 QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 What is the approximate time that microscopes were invented? - Answers circa 1600s When were microbes first discovered? - Answers Mid 1600s True or false: Animal-associated microbes actually comprise only an insignificant fraction of the global microbial population. - Answers True! True or false: Harmful interactions are frequent relative to benign/beneficial relationships between bacteria and humans. - Answers False:...

UIUC MCB 100 EXAM 1 PRACTICE | 2025/2026 UPDATE | QUESTIONS AND ANSWERS | 100% CORRECT!!

MCB 100 (Microbiology) EXAM 4 Questions and Answers Latest Update Combination Therapy - Answers Combination of two differently-acting drugs (HTPS) High Through Put Screening - Answers Involved screening for antibiotic activity from large quantities of bacteria and fungi from soil and environmental sources Augmentation - Answers Screening for augmenters (helpers) of existing antibiotics that make the existing antibiotics more potent or more stable or more effective. Adjustment of Regimen - A...

MCB 100 Exam 4 2025 QUESTIONS | 100% Verified Solutions | Already passed!!

MCB 100 Exam 1 Exam with complete solutions 2025.

Should an understanding of science and how scientific inquiry or thinking works be a part of our definitions of what constitutes an educated person or a good citizen? A. No, it is important only for a scientist B. No, it is important only for a college-educated person C. No, it is not important for anyone D. Yes, it is important for both, but not for everyone E. Yes, it is important for everyone - ANS E. Yes, it is important for everyone Which of the following statements is false? A. The...

Key distinction of microorganisms from other organisms - ANS microorganisms do not form differentiated tissues 1 mm = ? microns - ANS 1000 1 m = ? mm - ANS 1000 1 micron = ? nm - ANS 1000 "little things" small to large - ANS atoms ==> small molecules (amino acids, nucleotides, sugars) ==> biological macromolecules (proteins, nucleic acids, polysaccharides, lipids) ==> subcellular structures (viruses, ribosomes, microtubules) ==> Rickettsia, Chlamydia, Mycoplasma, and Na...