BIOL 2051 EXAM 1 (BRININSTOOL) 2025/26
QUESTIONS & ANSWERS VERIFIED 100% CORRECT.
Define microbiology Answer - The study of cellular and noncellular organisms
too small to be seen with the naked eye
What are microorganisms? Answer - a microscopic organism consisting of a
single cell or cell cluster or a virus
Where do you find microorganisms? Answer - everywhere lol
How many microorganisms are estimated to be on Earth? Answer - 25X10^29
How long have microorganisms been on Earth? Answer - 4 billion years
How do microorganisms impact our lives through disease? Answer - Bacterial
and viral pathogens used to be the major cause of human death 100 years ago.
Not a big deal in developed countries due to the combo of microbiologists and
clinical medicine. In reality, most microbes are not harmful.
How do microorganisms impact our lives through agriculture? Answer -
Microorganisms cycle nutrients and have a major role in rumen
, How do microorganisms impact our lives through food? Answer - Food
spoilage, safety, and production. Requires constant monitoring of food.
How do microorganisms impact our lives through energy? Answer - Some
produce biofuels such as methane and ethanol
How do microorganisms impact our lives through bioremediation? Answer -
Used to clean up pollution such as spilled oil, pesticides, solvents, and other
environmentally toxic pollutants
How do microorganisms impact our lives through biotechnology? Answer -
Genetically engineered microorganisms are used to make insulin and other
human proteins
Name 6 abilities/characteristics of living cells. Answer - -metabolism
-growth
-evolution
-differentiation
-motility
-genetic exchange
-communication
Who was the first to use a microscope to see microorganisms? Answer -
Robert Hooke
What did Robert Hooke see? Answer - fruiting of molds
What type of microscope did Robert Hooke use? Answer - a glorified
magnifying glass
QUESTIONS & ANSWERS VERIFIED 100% CORRECT.
Define microbiology Answer - The study of cellular and noncellular organisms
too small to be seen with the naked eye
What are microorganisms? Answer - a microscopic organism consisting of a
single cell or cell cluster or a virus
Where do you find microorganisms? Answer - everywhere lol
How many microorganisms are estimated to be on Earth? Answer - 25X10^29
How long have microorganisms been on Earth? Answer - 4 billion years
How do microorganisms impact our lives through disease? Answer - Bacterial
and viral pathogens used to be the major cause of human death 100 years ago.
Not a big deal in developed countries due to the combo of microbiologists and
clinical medicine. In reality, most microbes are not harmful.
How do microorganisms impact our lives through agriculture? Answer -
Microorganisms cycle nutrients and have a major role in rumen
, How do microorganisms impact our lives through food? Answer - Food
spoilage, safety, and production. Requires constant monitoring of food.
How do microorganisms impact our lives through energy? Answer - Some
produce biofuels such as methane and ethanol
How do microorganisms impact our lives through bioremediation? Answer -
Used to clean up pollution such as spilled oil, pesticides, solvents, and other
environmentally toxic pollutants
How do microorganisms impact our lives through biotechnology? Answer -
Genetically engineered microorganisms are used to make insulin and other
human proteins
Name 6 abilities/characteristics of living cells. Answer - -metabolism
-growth
-evolution
-differentiation
-motility
-genetic exchange
-communication
Who was the first to use a microscope to see microorganisms? Answer -
Robert Hooke
What did Robert Hooke see? Answer - fruiting of molds
What type of microscope did Robert Hooke use? Answer - a glorified
magnifying glass
