what is microbiology
(ANS- the study of microbes (microorganisms and viruses) and their biological processes
what is the smallest biological unit of life
(ANS- cell
what is a macromolecule
(ANS- a complex mol
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what is microbiology
(ANS- the study of microbes (microorganisms and viruses) and their biological processes
what is the smallest biological unit of life
(ANS- cell
what is a macromolecule
(ANS- a complex molecule that is composed from smaller subunits
what are the four main types of macromolecules
(ANS- Proteins, nucleic acids, lipids and polysaccharides
what various functions do proteins have in the cell
(ANS-
-facilitate the movement of materials in or out of a cell
-act as enzymes that catalyze, or speed up, biochemical processes
-play a structural role
- enable movement
two major types of nucleic acids
(ANS- DNA and RNA
what is the role of DNA
(ANS- contains a vast amount of hereditary information and is responsible for the inheritable characteristics of living organisms
what is the role of RNA
(ANS- is responsible for deciphering the hereditary information in DNA and using it to synthesize proteins.
what are nucleic acids
(ANS- chemical molecules that carry genetic information within the cell
what is the plasma membrane composed of
(ANS- composed of lipids (hydrophobic hydrocarbons)
what is the function of the plasma membrane
(ANS-
a surrounding barrier that separates the inside of the cell from the outside surrounding environment
- restricts the movement of materials either in/out of the cell
what is influx (plasma membrane)
(ANS- allowing a cells to absorb and keep what is needed
what is outflux (plasma membrane)
(ANS- preventing the escape of essential nutrients
what are the three main components of polysaccharides
(ANS- carbon, hydrogen, oxygen atoms
What is the primary difference between prokaryotic and eukaryotic cells?
(ANS- eukaryotic cells have a nucleus
prokaryotic cells do not have a nucleus
What are the main morphologies of bacteria?
(ANS- coccus, bacillus , vibrio, spirillum
Describe bacteria coccus shape
(ANS- (round/spherical)
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