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Microbiology Question and answers correctly solved

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  • Microbiology

Microbiology Question and answers correctly solved Basic biological science - correct answer it has been foundation for understanding many processes of physiology, ecology, and genetics "uses and developed tools for probing the fundamental processes of life" applied biological science - co...

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  • August 11, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • microbiology
  • microbiology question and answers correctly solved

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  • Microbiology
  • Microbiology

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Microbiology
Basic biological science - correct answer ✔it has been foundation for
understanding many processes of physiology, ecology, and genetics


"uses and developed tools for probing the fundamental processes of life"


applied biological science - correct answer ✔it has, and continues to, help us
solve many problems relating to health, agriculture, and industry


6 characteristics of cellular life - correct answer ✔-metabolism
-reproduction
-differentiation
-communication
-movement
-evolution


Metabolism - correct answer ✔inherent in all living cells


uptake of nutrients from the environment, their transformation within the cell,
and elimination of wastes into the environment


the cell is an "open system"


All cells have the potential to carry out ________ - correct answer
✔Metabolism

,reproduction (growth) - correct answer ✔chemicals from the environment are
turned into new cell under the direction of preexisting cells


differentiation - correct answer ✔formation of new cell structure such as a
spore, usually as part of a cellular life cycle


cyclic--happens during a single cells life span--> has the same DNA


communication - correct answer ✔cells communicate or interact primarily by
means of chemicals that are released or taken up


movement - correct answer ✔living organisms are often cable of self-
propulsion


evolution - correct answer ✔inherent in all living cells
(but not during a single cells life)


cells contain genes and evolve to display new biological properties


phylogenetic trees show the evolutionary relationships between cells


Extent of Microbial Influence: - correct answer ✔Environment--provide
chemical transformations to affect habitats; provide nutrients essential for life


humans--microorganisms have been exploited to meet a variety of our needs
(agriculture, medicine, food, industry)

, difference between microbial cells and cells of plants or animals? - correct
answer ✔microorganism are independent entities that carry out their life
processes independently of other cells


while, plant and animal cells cannot live on their own--only exist as parts of
multicellular structures


Robert Hooke - correct answer ✔-First to Describe microorganisms (mold)
-coined term "cells" on viewing cork


Antoni Von Leeuwenhoek - correct answer ✔-First to describe bacterial cells
"wee animalcules"


Ferdinand Cohn - correct answer ✔-200 years after Leeuwenhoek
-founder of the science of Bacteriology
-developed basic bacteriological practices (how to culture cells)
-first to describe endospore-forming bacteria (Bacillus)
-establish scientific journal of bacteriology
-developed initial classification scheme for bacteria


Louis Pasteur - correct answer ✔-came up with the idea of pasteurization--
preventing growth of microorganisms
-microbes in lactic acid fermentation
-yeast in alcohol fermentation
-disproof of spontaneous generation
-developed vaccines to rabies, chicken cholera, and anthrax (immunology)

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