- Study guides, Class notes & Summaries

BIOL 271 / BIOL271 Module 6: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: Which of the following diseases does a linear, single-stranded RNA virus cause? A. Measles B. Mumps C. Rubella D. B and C E. All of the above Answer: E. All of the above (Measles, mumps, and rubella are all linear, single stranded RNA viruses.) Q: What disease is best characterized by painful swelling of the parotid? Answer: Mumps (A patient infected with ...

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25 pages

Written in 2025/2026

Grade A+

nurse_steph

BIOL 271 / BIOL271 Module 3: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: Identify what type of electron microscope was used to capture the following image and explain your choice. (Study all images) Answer: The above image is captured via a Transmission Electron Microscope (TEM). Even at 20nm resolution (inset image), subcellular substructures are still visible. The image lacks the outside 'shell' only appearance of SEM. Q: Gram-Positive cells ...

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21 pages

Written in 2025/2026

Grade A+

nurse_steph

BIOL 271 / BIOL271 Module 4: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: T/F: Pathogenic strains of bacteria tend to grow slower than normal non-pathogenic bacterial strains Answer: False Pathogenic strains of bacteria tend to grow faster than non-pathogenic strains at 37 degrees celsius which is why researchers may set incubators at 25 degrees celsius to restrict growth Q: When given an unknown bacterial sample the first step is to expand the...

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18 pages

Written in 2025/2026

Grade A+

nurse_steph

BIOL 271 / BIOL271 Final Exam: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: When performing a quadrant streak, the sample is spread across the plate in such a way to form what? Answer: A dilution gradient. Q: A dilution gradient is formed when carrying out what generalize plating strategy? Answer: Phase-Dilution streak Q: In what phase of dilution streak would you expect to find the lowest concentration of bacteria. P2 or P4? Ans...

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49 pages

Written in 2025/2026

Grade A+

nurse_steph

BIOL 271 / BIOL271 Module 1: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: Define an essential amino acid. Answer: An essential amino acid cannot be produced by the human body and as such must be taken in from the environment through alternative sources (i.e. food). Q: T/F: the genetic material within a prokaryotic cell is contained within a membrane-enclosed region. Answer: False Only eukaryotic cells contain its genetic material within a nuc...

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29 pages

Written in 2025/2026

Grade A+

nurse_steph

BIOL 271 / BIOL271 Module 2: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: The catabolism of a single molecule of glucose goes through what three distinct transitions? Answer: The breakdown of glucose goes through (1) glycolysis, then (2) fermentation or respiration, and finally through (3) the electron transport chain. Q: What is the most energetic transition in the catabolism of glucose? Answer: The electron transport chain yields 34 ATP while ...

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34 pages

Written in 2025/2026

nurse_steph

BIOL 271 / BIOL271 Module 5 & 6: (Latest 2026/ 2027 Update) 100% Verified Questions & Answers | Grade A Q: Rheumatic fever displays ______ hemolytic activity and occurs when ______ is left untreated. Answer: Beta; Strep. Pharyngitis (Strep throat (also known as strep. Pharyngitis) can lead to Rheumatic fever if left untreated and displays beta-hemolytic activity.) Q: True or False: Under most circumstances, Staphylococcus can be found in ~30% of human population where it re...

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52 pages

Written in 2025/2026

Grade A+

nurse_steph