MCB3020 Asghari Exam 1 Questions and Answers (Graded A)
7 views 0 purchase
Course
MCB3020
Institution
MCB3020
MCB3020 Asghari Exam 1 Questions and Answers (Graded A)MCB3020 Asghari Exam 1 Questions and Answers (Graded A)MCB3020 Asghari Exam 1 Questions and Answers (Graded A)MCB3020 Asghari Exam 1 Questions and Answers (Graded A)MCB3020 Asghari Exam 1 Questions and Answers (Graded A)
What is the role of ...
MCB3020 Asghari Exam 1 Questions and
Answers (Graded A)
What is the role of microbes in maintaining temperature on earth? (Role of microbes in CO2 and CH4
recycling) - ANSWER - - Without the help of microbes to break down organic materials, the progress of
life on Earth would be constrained by the fixed amount of materials available to produce biomass
- Impact on atmospheric CO2 and CH4 levels, which impacts global climate change
- These greenhouse gases accumulate in the atmosphere, forming a "blanket" that traps heat
- The Earth would be uninhabitable without these gases, but the accumulation of gases in the
atmosphere cause global temperatures to gradually increases
- Microbes both consume and produce these gases, so they are deeply involved in carbon recycling
Top 3 causes of death - ANSWER - heart disease, cancer, stroke
aristotle - ANSWER - Greek philosopher who proposed the idea of spontaneous generation
spontaneous generation - ANSWER - suggests that living things could spontaneously arise from nonliving
things
Louis Pasteur - ANSWER - A French chemist, who disproved the theory of spontaneous generation
through the "swan neck flask experiment"
- germ theory of disease
Robert Hooke - ANSWER - coined the term "cell"
Antony can Leeuwenhoek - ANSWER - invented first microscope, first person to actually visualize
microbes
do viruses have kingdoms - ANSWER - viruses do not belong to any of the kingdoms or domains because
they are acellular and nonliving
, List membrane-bound organelles found in eukaryotes but not in prokaryotes. - ANSWER - Nucleus,
endoplasmic reticulum, Golgi apparatus, lysosomes, mitochondria and chloroplasts
Edward Jenner - ANSWER - developed first vaccine - the smallpox vaccine
Ignaz Semmelewis - ANSWER - dutch physician who advocated hand-washing
John Snow - ANSWER - father of epidemiology
Robert Koch - ANSWER - - stated Koch's postulates: criteria designed to establish a causal relationship
between a microbe and disease
- one microbe, one disease idea
Paul Ehrlich - ANSWER - Pharmacist who mixed and matched chemicals in order to find "magic bullets"
for a disease - chemicals that selectively killed the disease without harming human cells
Alexander Fleming - ANSWER - Discovered penicillin, first antibiotic
Frederick Griffith - ANSWER - discovered genetic transformation
James Watson and Francis Crick - ANSWER - discovered the structure of DNA
List and explain the impact of microbes on the environment (slide 4) - ANSWER - flow of energy, primary
producers, regulation of temp, symbiosis
cell - ANSWER - fundamental unit of life
microbe - ANSWER - An organism invisible to the naked eye, especially one that causes disease
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NursingTutor1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
