- Study guides, Class notes & Summaries

Exam 3 Questions MCB3020 Bacusmo UPDATED ACTUAL Questions and CORRECT Answers When a disease maintains a relatively steady, low-level frequency at a moderately regular interval, it is called _________. - CORRECT ANSWER - an endemic In the host-parasite relationship, it is advantageous for the parasite to disable and kill its host as quickly as possible. - CORRECT ANSWER - Fals

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9 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 1 Part 1 UPDATED Questions and CORRECT Answers What is the role of microbes in maintain temperature on earth? (Role of microbes in CO2 and CH4 recycling) - CORRECT ANSWER - Microbes have an impact on atmospheric CO2 and CH4levels, which impact global climate change. They are greenhouse gases. With too little of them, the earth won't heat properly, and with too much of them, the earth will overheat

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10 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

Microbiology Exam 1 Part 1 MCB3020 UPDATED Questions and CORRECT Answers Bioremediation - CORRECT ANSWER - the use of living organisms to degrade pollutants in the environment. Anton van Leeuwenhoek - CORRECT ANSWER - 1st observation of bacteria In 1684 Jenner - CORRECT ANSWER - 1798 introduces small pox vaccination (human cow pox pustules)

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15 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

Exam 1 Questions MCB3020 Bacusmo UPDATED ACTUAL Questions and CORRECT Answers Microorganisms assimilate large amounts of all of the following except ______ into organic molecules. - CORRECT ANSWER - sodium An agent that specifically kills fungi but not other kinds of microorganisms is also known as a - CORRECT ANSWER - Fungicidal Agen

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9 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

Exam 2 Questions MCB3020 Bacusmo UPDATED ACTUAL Questions and CORRECT Answers Griffith's experiment demonstrated transformation because a mouse injected with live R and heat-killed S strains of Streptococcus pneumoniae resulted in death of the mouse and the isolation of live R as well as live S cells. Hypothesize as to the type of cells that Griffith would have observed if transformation had not occurred. - CORRECT ANSWER - Griffith would have isolated only live R cells from the m...

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9 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 1 Ashgari UPDATED ACTUAL Questions and CORRECT Answers Louis Pasteur - CORRECT ANSWER - disproved the theory of spontaneous generation -swan-neck flask experiments- showed that microbes came from the environment and did not spontaneously arise = germ theory of disease -yeast fermentation to make alcohol -pasteurization Antony van Leeuwenhoek - CORRECT ANSWER - invented the first microscope and was the first to actually visualise microbe

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22 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 EXAM 1 Ashgari ACTUAL Questions and CORRECT Answers 1. What is the role of microbes in maintain temperature on earth? (Role of microbes in CO2 and CH4 recycling) - CORRECT ANSWER - they regulate Earth's temperature by balancing the levels of CO2 and CH4 and can convert and recycle them which maintains the temperature (interchanging carbon from one form to another) 2. List the top three cause of death in the US. How role of microbes has changes over the last 100 years - COR...

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27 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 1 – Bacusmo UPDATED Questions and CORRECT Answers Microbes - CORRECT ANSWER - Organisms that cannot be seen by the naked eye; usually less than 1mm in diameter Described as "invisible hitchhikers" Found everywhere on the planet and in the body

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21 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 1 UPDATED Questions and CORRECT Answers Gram-positive bacteria have a thinner layer of peptidoglycan than gram-negative bacteria. - CORRECT ANSWER - False The concept that human and animal diseases are caused by microorganisms is called the - CORRECT ANSWER - Germ theory

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11 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Bacusmo Exam 4 ACTUAL Questions and CORRECT Answers An organism characterized by having cells containing DNA in a membrane-bound organelle Prion Viroid Prokaryote Virus Eukaryote - CORRECT ANSWER - Eukaryot

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36 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

Exam 1 MCB 3020 Study Guide ACTUAL Questions and CORRECT Answers Definition of a cell - CORRECT ANSWER - the smallest structural and functional unit of an organism Hallmarks of a Cell - CORRECT ANSWER - Cell membrane, Genetic material, Selfreplication, Regulation, Similar macromolecules, Energy use

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21 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020: Exam 1 Study Guide ACTUAL Questions and CORRECT Answers Define microbiology - CORRECT ANSWER - The branch of biology that studies microbes How does microbiology differ from other fields of biology? - CORRECT ANSWER - It can be distinguished from other field based on: - The size of the organisms studied - The techniques used to study them

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31 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 1 UF UPDATED Questions and CORRECT Answers Eukaryote - CORRECT ANSWER - An organism characterized by having cells containing DNA in a membrane-bound organelle Prokaryote - CORRECT ANSWER - An organism characterized by having a cell lacking a membrane-bound nucleus

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8 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 2 Asghari UF UPDATED Questions and CORRECT Answers metabolism - CORRECT ANSWER - the sum total of all the chemical reactions that occur within a cell catabolic pathway - CORRECT ANSWER - breaking down complex organic molecules into their smaller subcomponents which type of reactions are catabolic? - CORRECT ANSWER - hydrolysis reactions

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12 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 Exam 2 Assignments UPDATED Questions and CORRECT Answers Bacteria and archaea mainly reproduce by ---. - CORRECT ANSWER - binary fission The complete sequence of events extending from formation of a new cell through the next division is called the --- cycle. - CORRECT ANSWER - cell

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63 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB3020 exam 3 UPDATED Questions and CORRECT Answers biotechnology - CORRECT ANSWER - the use of living organisms to create products that are useful to humans genetic engineering - CORRECT ANSWER - the deliberate modification of an organism's genome sequenc

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0 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

MCB 3020 Final Exam UPDATED Questions and CORRECT Answers To establish infection what must a microorganism do? - CORRECT ANSWER - Overcome surface barriers such as the skin, degradative enzymes, and mucus Skin, degradative enzymes and mucus - CORRECT ANSWER - Direct antimicrobial activity or inhibit attachment of the microorganisms to the hos

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15 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

UF MCB 3020 Exam 3 UPDATED ACTUAL Questions and CORRECT Answers Substances that are recognized as foreign and provoke immune responses are called _________. - CORRECT ANSWER - antigens. During phagocytosis, the phagolysosome forms before the phagosome forms. - CORRECT ANSWER - False

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10 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

UF MCB 3020 Exam 3 UPDATED Questions and CORRECT Answers biotechnology - CORRECT ANSWER - refers to the use of living organisms to create products that are useful to humans Recombinant DNA - CORRECT ANSWER - DNA from two or more sources...allows for creation of DNA sequences not otherwise found in biological organisms

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29 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS

UF MCB3020 EXAM 2 Bacusmo UPDATED Questions and CORRECT Answers What is the most common mechanism for bacterial cell division? - CORRECT ANSWER - Binary Fission List the four steps of the mechanism above. - CORRECT ANSWER - 1. Elongation of the cell 2. Replication of the chromosome 3. Separation of the chromosomes into the two parts of the cell 4. Formation of septum in the middle (Cytokinesis, or septation

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24 pages

Written in 2024/2025

Grade A+

STANFORDGRADESS