1 Module 1 Review Quiz (16 questions), BIOD 171, Portage Learning / Certified Exam Questions & Answers / 2025 / 2026.
Quiz____?Microbiology is the study of what? - Answer✓✓
My answer: Microbiology is the study of microorganisms and their biological
processes at what is called the "micro" or "microscopic" level.
Answer Key: Microbiology is the study of microbes (microorganisms and viruses)
and their biological processes.
Quiz____?What is the smallest biological unit of life? - Answer✓✓ the cell
Quiz____?What is a macromolecule? - Answer✓✓
My answer: Macromolecules are large and complicated molecules that are made
up of smaller molecules. Examples of macromolecules are polysaccharides, lipids, nucleic acids, and proteins.
More info:
- Proteins are made up of amino acids (of which there are 20 different types). 1 / 2
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- Nucleic Acids can be either DNA or RNA. Nucleic acids are made up of
- Lipids are made up of hydrocarbons.
- Polysaccharides are made up of monosaccharides.
nucleotides. For DNA, the nucleotides are adenine (A), guanine (G), cytosine (C) and thymine (T). For RNA, the nucleotides are adenine (A), guanine (G), cytosine (C) and uracil (U).
Answer Key: A macromolecule is classified as a complex molecule that is
composed from smaller subunits.
Quiz____?What are the four main types of macromolecules? - Answer✓✓
My answer: polysaccharides, lipids, nucleic acids, proteins
Answer Key: Proteins, nucleic acids, lipids and polysaccharides
Quiz____?What various functions do proteins have in a cell? - Answer✓✓
My Answer:
Proteins have several functions in the cell;
- To assist materials in moving in and out of the cell
- To act as a catalyst enzyme which speeds up a biochemical process
- To provide structure in the cell
- To enable movement (e.g. filaments)
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