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Portage Learning: Microbiology Module 1 Questions and Answers, Exams of Microbiology

Portage Learning: Microbiology Module 1 Questions and Answers

Typology: Exams

2024/2025

Available from 03/26/2025

victor-kiragu
victor-kiragu 🇺🇸

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Portage Learning: Microbiology Module 1
Questions and Answers
Can viruses be classified as either prokaryotic or eukaryotic? No. Viruses
are considered neither prokaryotic nor eukaryotic. Viruses are not
considered living and do not replicate on their own, meaning they must
replicate within a host.
Chloroplasts Site of photosynthesis
ER Site of protein synthesis
Golgi complex protein modification and distribution
Lysosomes waste disposal
Microbiology is the study of what? Microbiology is the study of microbes
(microorganisms and viruses) and their biological processes.
Mitochondria ATP production
Ribosomes protein synthesis
The lipid bilayer of the plasma membrane is composed of what? The cell
membrane is a bilayer composed primarily of amphipathic phospholipids,
meaning they contain a polar hydrophilic (water loving) head group and a
non-polar hydrophobic (water fearing) tail region. The lipid bilayer is
situated in such a way where the non-polar tail groups face inward thus
orienting the polar head groups to interact with water both outside and
inside of the cell.
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Portage Learning: Microbiology Module 1

Questions and Answers

Can viruses be classified as either prokaryotic or eukaryotic? ✓No. Viruses are considered neither prokaryotic nor eukaryotic. Viruses are not considered living and do not replicate on their own, meaning they must replicate within a host. Chloroplasts ✓Site of photosynthesis ER ✓Site of protein synthesis Golgi complex ✓protein modification and distribution Lysosomes ✓waste disposal Microbiology is the study of what? ✓Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. Mitochondria ✓ATP production Ribosomes ✓protein synthesis The lipid bilayer of the plasma membrane is composed of what? ✓The cell membrane is a bilayer composed primarily of amphipathic phospholipids, meaning they contain a polar hydrophilic (water loving) head group and a non-polar hydrophobic (water fearing) tail region. The lipid bilayer is situated in such a way where the non-polar tail groups face inward thus orienting the polar head groups to interact with water both outside and inside of the cell.

What are the four main classifications of Eukarya? ✓Eukaryotic microorganisms are classified as either belonging to Animalia, Plantae, Fungi or Protista. What are the four main types of macromolecules? ✓1. Carbohydrates

  1. Lipids
  2. Proteins
  3. Nucleic Acids What are the main morphologies of bacteria? ✓Bacteria can be described as coccus (round/spherical), bacillus (rod), vibrio (curved rod) or spirillum (spiral/corkscrew). What are the primary cellular organelles described in this module? Be sure to know the roles of each. ✓Ribosomes (protein synthesis), ER (site of protein synthesis), Golgi (protein modification and distribution), lysosomes (waste disposal), mitochondria (ATP generation) and chloroplasts (plants only; site of photosynthesis). What are the three main components of polysaccharides? ✓Polysaccharides are composed of carbon, hydrogen and oxygen atoms. Examples would include, C6H12O6 (glucose) C12H22O11 (sucrose) and C6H10O5 (cellulose). What are the two major types of nucleic acids and their roles? ✓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 a macromolecule? ✓A macromolecule is classified as a complex molecule that is composed from smaller subunits.