2026 EXPERT VERIFED ACE
THE TEST
Microbiology is the study of what? - ANSWER ✔✔Microbiology is the
study of microbes (microorganisms and viruses) and their biological
processes.
What is the smallest biological unit of life - ANSWER ✔✔cell
What is a macromolecule? - ANSWER ✔✔A macromolecule is
classified as a complex molecule that is composed from smaller subunits.
,What are the four main types of macromolecules? - ANSWER
✔✔Proteins, nucleic acids, lipids and carbohydrates
What various functions do proteins have in a cell - ANSWER
✔✔Proteins may facilitate the movement of materials in or out of a cell.
Some can act as enzymes that catalyze, or speed up, biochemical
processes. Others play a structural role while other proteins, such as
filaments, enable movement.
What are the two major types of nucleic acids and their roles? -
ANSWER ✔✔There are two major types of nucleic acids: DNA
(deoxyribonucleic acid) and RNA (ribonucleic acid). Nucleic acids are
chemical molecules that carry genetic information within the cell. DNA
contains a vast amount of hereditary information and is responsible for
the inheritable characteristics of living organisms. RNA is responsible for
deciphering the hereditary information in DNA and using it to synthesize
proteins.
What is the plasma membrane, and what is it made up of? - ANSWER
✔✔The plasma membrane serves the cell as a surrounding barrier that
separates the inside of the cell from the outside surrounding
, environment. The plasma membrane also restricts the movement of
materials (water, nutrients, etc) either in or out of the cell, thus allowing a
cells to absorb and keep what is needed (influx) while also preventing
the escape (out flux) of essential nutrients. The plasma membrane is
composed of lipids (hydrophobic hydrocarbons).
What are the three main components of carbohydrates? - ANSWER
✔✔Carbohydrates are composed of carbon, hydrogen and oxygen
atoms. Examples would include, C6H12O6 (glucose) C12H22O11
(sucrose) and C6H10O5 (cellulose).
What is the primary difference between prokaryotic and eukaryotic cells?
- ANSWER ✔✔Eukaryotic cells contain a nucleus, a membrane
enclosed region within the cell that contains the genetic material.
Prokaryotic cells do not have a nucleus and can be further classified as
either Bacteria or Archaea.
What are the main morphologies of bacteria? - ANSWER ✔✔Bacteria
can be described as coccus (round/spherical), bacillus (rod), vibrio
(curved rod) or spirillum (spiral/corkscrew).
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