Module 1 | Portage Learning BIOD 171 M1 Study Guide |
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Questions, Answers & Detailed Rationales x x x x
THIS STUDY RESOURCE INCLUDES
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• BIOD 171 Module 1 practice questions
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• Questions and answers with detailed rationales
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• Key Module 1 concepts and terminology
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• Foundational biology concepts x x
• Concept-based review questions x x
• Application and scenario-based questions
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• Explanations to reinforce understanding
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• Self-assessment and exam-preparation material x x x
,BIOD 171 Module 1 | Portage Learning BIOD 171 M1 S
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tudy Guide | Questions, Answers & Detailed Rational
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es
Question 1 x
True or False: A virus is considered a microorganism.
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Answer: False x
Rationale: Viruses are not considered living organisms and therefor
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e do not qualify as microorganisms. However, viruses can be classifie
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d as microbes—
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a broader term that encompasses both microorganisms and viruses.
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The key distinction is that microorganisms are living cellular organis
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ms, while viruses are acellular infectious particles that require a host c
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ell to replicate.
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Question 2 x
What is the smallest biological unit of life?
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Answer: A cell x x
, Rationale: The cell is the fundamental structural and functional unit
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of all living organisms. It is the smallest entity that exhibits all characte
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ristics of life, including metabolism, growth, reproduction, and respo
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nse to stimuli. Cells contain genetic material and are capable of indep
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endent existence, unlike viruses or subcellular components.
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Question 3 x
At a generalized level, all cells are comprised of what?
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Answer: Macromolecules x
Rationale: All cells, regardless of their complexity, are composed of f
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our major types of macromolecules: carbohydrates, lipids, proteins, a
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nd nucleic acids. These macromolecules are polymers formed from s
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maller monomeric subunits and are essential for cellular structure, fu
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nction, and heredity. x x
Question 4 x
How many different types of amino acids are available from whi
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ch to make proteins?
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Answer: 20 x