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Tenth Grade (Grade 10) Biochemistry Questions

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Grade 10 Macromolecules
Polymers are built from smaller subunits called                .
  1. monomers
  2. macromolecules
  3. electrons
  4. neutrons
Grade 10 Macromolecules
Amino acid sequence determines a protein's shape.
  1. True
  2. False
Grade 10 Macromolecules
Carbohydrates are made up of the three elements of
  1. nitrogen, oxygen, and hydrogen.
  2. carbon, hydrogen, and oxygen.
  3. sulfur, hydrogen, and oxygen.
  4. nitrogen, phosphorus, and oxygen.
Grade 10 Macromolecules
Which biological polymer is made of bonded amino acids?
  1. protein
  2. amino acid
  3. DNA
  4. sugar cube
Grade 10 Macromolecules
Which macromolecule holds genetic information?
  1. nucleic acids
  2. carbohydrates
  3. lipids
  4. proteins
Grade 10 Macromolecules
A carbohydrate is an organic compound because it contains
  1. phosphorus.
  2. carbon.
  3. hydrogen.
  4. oxygen.
Grade 10 Biochemical Pathways
Living things get the energy they need from
  1. oxygen.
  2. NAD+.
  3. food.
  4. air.
Grade 10 Biochemical Pathways
The process of cellular respiration
  1. occurs only in animals.
  2. is performed only by organisms that cannot perform photosynthesis.
  3. occurs in all organisms.
  4. converts chemical energy in food to usable energy (ATP) in all organisms.
Grade 10 Macromolecules
An organic compound made of sugar molecules is a
  1. carbohydrate.
  2. lipid.
  3. protein.
  4. nucleic acid.
Grade 10 Biochemical Pathways
                is the total of all the chemical reactions an organism needs to survive.
  1. Metabolism
  2. Catabolism
  3. Anabolism
  4. Chemistry
Grade 10 Macromolecules
What type of macromolecules are the enzymes found in our bodies?
  1. lipids
  2. carbohydrates
  3. proteins
  4. nucleic acids
Grade 10 Macromolecules
Nucleotides are the building blocks of proteins.
  1. True
  2. False
Grade 10 Macromolecules
A monosaccharide is a                .
  1. carbohydrate
  2. lipid
  3. nucleic acid
  4. protein
Grade 10 Macromolecules
An enzyme speeds up a reaction by
  1. absorbing energy.
  2. lowering the activation energy.
  3. raising the activation energy.
  4. releasing energy.
Grade 10 Macromolecules
Nucleic acids are made of
  1. sugars.
  2. fatty acids.
  3. nucleotides.
  4. amino acids.
Grade 10 Biochemical Pathways
What are the products of photosynthesis?
  1. oxygen and carbon dioxide
  2. oxygen and glucose
  3. glucose and carbon dioxide
  4. glucose and water
Grade 10 Macromolecules
This type of lipid is responsible for sending signals between cells.
  1. oil
  2. enzyme
  3. hormone
  4. starch
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