Portage Learning MICRO 100 microbiology EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS LATEST UPDATE!!!!

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Portage Learning: Microbiology Module 1 2026 A+ GR
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ADE ASSURED COMPLETE SOLUTIONS AND VERIFIED A
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NSWERS (57C60) zm




QUESTION 1 zm




Microbiology is the study of what? zm zm zm zm zm




ANSWER

Microbiology is the study of microbes (microorganisms and viruses) and their biological processes.
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QUESTION 2 zm




What is a macromolecule?
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ANSWER

A macromolecule is classified as a complex molecule that is composed from smaller subunits.
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QUESTION 3 zm




What are the four main types of macromolecules?
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ANSWER

1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic Acids
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QUESTION 4 zm




What various functions do proteins have in a cell?
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ANSWER

Proteins may facilitate the movement of materials in or out of a cell. Some can act as enzymes that
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catalyze, or speed up, biochemical processes. Others play a structural role while other proteins, such
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mas filaments, enable movement.
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, QUESTION 5 zm




What are the two major types of nucleic acids and their roles?
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ANSWER

There are two major types of nucleic acids: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
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mNucleic acids are chemical molecules that carry genetic information within the cell. DNA contains a
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vast amount of hereditary information and is responsible for the inheritable characteristics of living
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organisms. RNA is responsible for deciphering the hereditary information in DNA and using it to syn
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thesize proteins. zm




QUESTION 6 zm




What is the plasma membrane, and what is it made up of?
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ANSWER

The plasma membrane serves the cell as a surrounding barrier that separates the inside of the cell f
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rom the outside surrounding environment. The plasma membrane also restricts the movement of ma
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terials (water, nutrients, etc) either in or out of the cell, thus allowing a cells to absorb and keep w
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hat is needed (influx) while also preventing the escape (out flux) of essential nutrients. The plasma
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membrane is composed of lipids (hydrophobic hydrocarbons).
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QUESTION 7 zm




What are the three main components of polysaccharides?
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ANSWER

Polysaccharides are composed of carbon, hydrogen and oxygen atoms. Examples would include, C6H
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12O6 (glucose) C12H22O11 (sucrose) and C6H10O5 (cellulose).
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QUESTION 8 zm




What is the primary difference between prokaryotic and eukaryotic cells?
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ANSWER

Eukaryotic cells contain a nucleus, a membrane enclosed region within the cell that contains the gen
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etic material. Prokaryotic cells do not have a nucleus and can be further classified as either Bacteria
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mor Archaea.
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QUESTION 9 zm




What are the main morphologies of bacteria?
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ANSWER