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Eleventh Grade (Grade 11) Biochemistry Questions

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Grade 11 Biochemical Pathways
Which molecule produces the greatest quantity of ATP?
  1. NADH
  2. FADH2
  3. pyruvate
  4. glucose
Grade 11 Biochemical Pathways
Which list includes the products of one glucose molecule undergoing reactions in the Krebs cycle?
  1. 10 ATP, 4 NADH, 2 FADH2
  2. 10 NADH, 4 FADH2, 2 ATP
  3. 10 ATP, 4 FADH2, 2 NADH
  4. 10 NADH, 4 ATP, 2 FADH2
  5. 10 FADH2, 4 ATP, 2 NADH
Grade 11 Macromolecules
A structural lipid is known as a(n)
  1. fat.
  2. oil.
  3. steroid.
  4. phosphoglyceride.
Grade 11 Biochemical Pathways
Why do muscles cramp up during rigorous exercise?
  1. lactic acid fermentation
  2. alcohol fermentation
  3. chemiosmotic coupling
  4. too much oxygen delivered to the muscles
  5. oxidative phosphorylation
Grade 11 Biochemical Pathways
Which is the main pigment involved with the absorption of light?
  1. chlorophyll a
  2. carotenoids
  3. phytochrome c
  4. chlorophyll d
Grade 11 Biochemical Pathways
A series of chemical reactions occurring within a cell is collectively known as
  1. a biochemical pathway.
  2. an anabolic pathway.
  3. a catabolic pathway.
  4. a metabolic pathway.
  5. metabolism.
Grade 11 Macromolecules
Which element does not belong?
  1. polypeptide
  2. amino acids
  3. protein
  4. pH level
Grade 11 Macromolecules
The general formula for carbohydrates is CHO.
  1. True
  2. False
Grade 11 Macromolecules
Choose ALL the functions of lipids.
  1. producing cholesterol
  2. producing proteins
  3. producing wax for plants to keep them from dehydrating
  4. producing hormones
Grade 11 Macromolecules
Which statement does not characterize enzymes?
  1. They are not used up in a reaction.
  2. They produce quick energy used in making organelles.
  3. They combine with substrates.
  4. They speed up the rate of a reaction.
Grade 11 Macromolecules
Which is not a nitrogenous base?
  1. cytosine
  2. thymine
  3. adenine
  4. threosine
Grade 11 Biochemical Pathways
ATP stores energy in the bonds of the phosphate groups.
  1. True
  2. False
Grade 11 Biochemical Pathways
Movement is a process of metabolism.
  1. True
  2. False
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