MCB EXAM 1 UPDATED ACTUAL and Correct Answers

MCB EXAM 1 UPDATED ACTUAL and Correct Answers
Question: Ubiquitous (Microbiology)
Answer:
The characteristic of bacteria being found in nearly every environment on
Earth.

Question: Bacteria (Cell Type & Cellularity)
Answer:
Unicellular prokaryotes (akaryotes) found everywhere, including
pathogens.

Question: Archaea (Cell Type & Cellularity)
Answer:
Unicellular prokaryotes (akaryotes) living in extreme environments; nonpathogenic.

Question: Fungi (Cell Type & Cellularity)
Answer:
Eukaryotes that can be unicellular (yeasts) or multicellular
(molds/mushrooms).

Question: Protista (Cell Type & Cellularity)
Answer:
Eukaryotes that are mostly unicellular (protozoans) or occasionally
multicellular (algae).

Question: Helminths (Cell Type & Cellularity)
Answer:
Multicellular eukaryotic parasites with microscopic eggs or
larvae.

Question: Viruses (Cell Type & Cellularity)
Answer:
Non-cellular, non-living obligate intracellular parasites with DNA
or RNA genomes.

Question: Prions (Cell Type & Cellularity)
Answer:

, Non-cellular, non-living infectious proteins causing spongiform
encephalopathies.

Question: Theory of Evolution
Answer:
A well-studied, testable natural phenomenon of accumulated changes as organisms
adapt.

Question: Timeline of Life on Earth
Answer:
Bacteria and Archaea appeared first; Eukaryotes appeared over a billion
years later.

Question: Oxygenic Photosynthesis
Answer:
Process by which bacteria and algae produce over 70% of Earth's oxygen.

Question: Decomposition
Answer:
The breakdown of dead matter and wastes by bacteria and fungi.

Question: Biotechnology
Answer:
The industrial manipulation of microbes to make drugs, beer, and vitamins.
organisms.

Question: Bioremediation
Answer:
Introducing microbes into the environment to clean up toxic pollutants.

Question: Biofuel Production
Answer:
Using algae and bacteria to produce biodiesel and ethanol.

Question: Gastric Ulcers (Microbial Cause)
Answer:
Helicobacter pylori.

Question: Infertility (Microbial Cause)