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Ninth Grade (Grade 9) Macromolecules Questions

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Grade 9 Macromolecules
The four main categories of biomolecules in living things are
  1. nucleic acids, carbohydrates, monosaccharides, and proteins.
  2. carbon, hydrogen, organic compounds, and nucleic acids.
  3. proteins, nucleic acids, carbohydrates, and lipids.
  4. RNA, DNA, proteins, and carbohydrates.
  5. proteins, DNA, RNA, and steroids.
Grade 9 Macromolecules
The monomers of carbohydrates are
  1. amino acids.
  2. peptides.
  3. saccharides.
  4. sucrose.
Grade 9 Macromolecules

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The place on an enzyme where binding happens is the
  1. action point.
  2. enzyme.
  3. binding location.
  4. active site.
Grade 9 Macromolecules
Starch is an example of a polysaccharide.
  1. True
  2. False
Grade 9 Macromolecules
Which nutrient is used to build and repair cells?
  1. carbohydrates
  2. fats
  3. nucleic acids
  4. proteins
Grade 9 Macromolecules
Amino acids are the building blocks of which macromolecule?
  1. lipid
  2. carbohydrate
  3. protein
Grade 9 Macromolecules
                are long chains of smaller molecules all linked together.
  1. Atoms
  2. Polymers
  3. Properties
  4. Simple sugars
Grade 9 Macromolecules
The monomers of proteins are
  1. amino acids.
  2. monosaccharides.
  3. nucleotides.
  4. peptides.
Grade 9 Macromolecules
Denaturation changes the shape of
  1. fats.
  2. DNA.
  3. proteins.
  4. sugars.
Grade 9 Macromolecules
The two primary kinds of nucleic acids are
  1. DNA and RNA.
  2. oxygen and carbon.
  3. carbon and hydrogen.
  4. nitrogen and phosphorus.
Grade 9 Macromolecules
What type of organic compound is the main source of energy in living things?
  1. proteins
  2. carbohydrates
  3. lipids
Grade 9 Macromolecules
Enzymes are catalysts that are made up of
  1. lipids.
  2. substrates.
  3. proteins.
  4. carbohydrates.
Grade 9 Macromolecules
What is the chemical reaction that links monomers together to form polymers, releasing water in the process?
  1. hydrolysis
  2. decomposition
  3. exergonic reaction
  4. dehydration synthesis
Grade 9 Macromolecules
The monomers of nucleic acids are
  1. nucleotides.
  2. amino acids.
  3. nitrogen bases.
  4. sugar and phosphate.
Grade 9 Macromolecules
Enzymes are part of which category of organic compounds?
  1. starches
  2. carbohydrates
  3. lipids
  4. proteins
Grade 9 Macromolecules
Large molecules known as                 act to store genetic information.
  1. amino acids
  2. nucleic acids
  3. carbohydrates
Grade 9 Macromolecules
                has nitrogenous bases.
  1. Protein
  2. DNA
  3. An enzyme
  4. Water
Grade 9 Macromolecules
The primary structure of a protein is
  1. a chain of amino acids.
  2. a clump of amino acids.
  3. an alpha helix or beta-pleated sheet.
  4. multiple polypeptides bonded together.
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