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Tenth Grade (Grade 10) Biochemistry Questions

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Grade 10 Biochemical Pathways
Oxygen is released during what part of photosynthesis?
  1. Light Reactions
  2. Calvin Cycle
  3. Kreb's Cycle
  4. Glycolysis
Grade 10 Biochemical Pathways
Grade 10 Macromolecules
Proteins are polymers formed from                .
  1. lipids
  2. carbohydrates
  3. amino acids
  4. nucleic acids
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
Of what are nucleic acids made?
  1. Sugars
  2. Fatty acids
  3. Nucleotides
  4. Amino Acids
Grade 10 Macromolecules
What gives water many properties that are important to living things?
  1. Temperature
  2. Hydrogen bonds
  3. density
  4. Specific heat
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
Carbohydrates are made of which 3 elements?
  1. nitrogen, oxygen, and hydrogen
  2. carbon, hydrogen, and oxygen
  3. sulfur, hydrogen, and oxygen
  4. nitrogen, phosphorus, and oxygen
Grade 10 Macromolecules
Grade 10 Biochemical Pathways
What are the products of cellular respiration?
  1. Carbon dioxide
  2. Water
  3. Energy
  4. All of the above
Grade 10 Biochemical Pathways
Which of these best describes the process of cellular respiration?
  1. Occur only in animals
  2. Perform only by the ones who can't do photosynthesis
  3. Occur in all organisms
  4. Converts chemical energy in food to usable energy (ATP) in all organisms
Grade 10 Biochemical Pathways
Which of these are the product of photosynthesis?
  1. Carbon dioxide and water
  2. Oxygen and glucose
  3. Water, carbon dioxide, and ATP
  4. ATP and water
Grade 10 Biochemical Pathways
What do both plants and animals use oxygen for?
  1. respiration
  2. breathing
  3. photosynthesis
  4. transpiration
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