Portage Learning BIOD 171 Microbiology
Module 3 Exam Updated Questions and
Answers (2026/2027) | Practice Review |
A+ Verified
• The study of microbes (microorganisms and viruses) and their biological
processes -✓✓Microbiology
• What is the smallest biological unit of life -✓✓A cell
• Classified as a complex molecule that is composed from smaller subunits -
✓✓Macromolecule
• What are the four main types of macromolecules? -✓✓Proteins, carbohydrates,
lipids and nucleic acids
• What various functions do proteins have in a cell? -✓✓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 re the two major types of nucleic acids and their roles? -✓✓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.
, • 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 lipids (hydrophobic hydrocarbons) -✓✓Plasma membrane
and what it is made up of
• carbon, hydrogen and oxygen atoms. Examples would include, C6H10O5
(glucose) C12H22O11 (surcose) and C6H10O5 (cellulose) -✓✓The three main
components of carbohydrates
• Contain a nucleus, a membrane enclosed region within the cell that contains the
genetic material. -✓✓Eukaryotic cells
• Cells do not contain a nucleus and can be further classified as either Bacteria and
Archaea -✓✓Prokaryotic cells
• Coccus (round/spherical), bacillus (rod), Vibrio (curved rod) or spirillum
(spiral/corkscrew) -✓✓Main morphologies of bacteria
• Which group of microbes is noted for its ability to survive under harsh
conditions? -✓✓Archaea. They are able to survive in extremely harsh
environmental conditions such as high salt levels, acid conditions, high
temperatures and oxygen-poor conditions
• Animal, Plant, Fungi or Protista -✓✓The four main classifications of Eukarya?
• Can viruses be classified as either prokaryotic or eukaryotic -✓✓No
Module 3 Exam Updated Questions and
Answers (2026/2027) | Practice Review |
A+ Verified
• The study of microbes (microorganisms and viruses) and their biological
processes -✓✓Microbiology
• What is the smallest biological unit of life -✓✓A cell
• Classified as a complex molecule that is composed from smaller subunits -
✓✓Macromolecule
• What are the four main types of macromolecules? -✓✓Proteins, carbohydrates,
lipids and nucleic acids
• What various functions do proteins have in a cell? -✓✓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 re the two major types of nucleic acids and their roles? -✓✓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.
, • 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 lipids (hydrophobic hydrocarbons) -✓✓Plasma membrane
and what it is made up of
• carbon, hydrogen and oxygen atoms. Examples would include, C6H10O5
(glucose) C12H22O11 (surcose) and C6H10O5 (cellulose) -✓✓The three main
components of carbohydrates
• Contain a nucleus, a membrane enclosed region within the cell that contains the
genetic material. -✓✓Eukaryotic cells
• Cells do not contain a nucleus and can be further classified as either Bacteria and
Archaea -✓✓Prokaryotic cells
• Coccus (round/spherical), bacillus (rod), Vibrio (curved rod) or spirillum
(spiral/corkscrew) -✓✓Main morphologies of bacteria
• Which group of microbes is noted for its ability to survive under harsh
conditions? -✓✓Archaea. They are able to survive in extremely harsh
environmental conditions such as high salt levels, acid conditions, high
temperatures and oxygen-poor conditions
• Animal, Plant, Fungi or Protista -✓✓The four main classifications of Eukarya?
• Can viruses be classified as either prokaryotic or eukaryotic -✓✓No
