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Search Results for cellular - All Grades

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Grade 10 Cell Structure and Function
Where do most of a cell's chemical reactions take place?
  1. Nucleus
  2. Vacuole
  3. Cytoplasm
  4. Centriole
Grade 10 Macromolecules
Why are carbohydrates and fats considered high energy foods?
  1. they have a lot of oxygen atoms
  2. they have no nitrogen in their makeup
  3. they can have very long carbon skeletons
  4. they have a lot of electrons associated with hydrogen
  5. they are easily reduced
Grade 10 Biochemical Pathways
Which of the following correctly summarizes cellular respiration?
  1. [math]6 O_2 + C_6H_12O_6 = 6 CO_2 + 6 H_2O + "energy"[/math]
  2. [math]6 CO_2 + C_6H_12O_6 + "energy" = 6 CO_2 + 6 H_2O[/math]
  3. [math]6 CO_2 + 6 H_2O = 6 O_2 + C_6H_6O_6 + "energy"[/math]
  4. [math]6 CO_2 + 6 H_2O + "energy" = 6 O_2 + C_6H_12O_6[/math]
Grade 10 Macromolecules
Of what are proteins made?
  1. Fatty acids
  2. Nucleotides
  3. Amino acids
  4. Sugars
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
Where are the proteins of the electron transport chain located?
  1. cytosol
  2. mitochondrial outer membrane
  3. mitochondrial inner membrane
  4. mitochondrial matrix
Grade 7 Biochemical Pathways
Grade 9 Biochemical Pathways
Which of the following most accurately describes the purpose of cellular respiration?
  1. To decompose glucose into energy that can be used for cellular functions
  2. To decompose usable energy into smaller parts
  3. To decompose different types of substances to be used to construct other parts of the cell
  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 the following occurs in both photosynthesis and respiration?
  1. chemiosmosis
  2. glycolysis
  3. calvin cycle
  4. krebs cycle
Grade 10 Biochemical Pathways
Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
  1. Glycolysis and the oxidation of pyruvate to acetyl CoA
  2. Oxidation of pyruvate to acetyl CoA and the Citric Acid Cycle
  3. The Citric Acid Cycle and oxidative phosphorylation
  4. oxidative phosphorylation and fermentation
Grade 10 Biochemical Pathways
During the ETC, what mechanism provides the energy to pump hydrogen ions against their concentration gradient?
  1. The passing of electrons from molecule to molecule
  2. Breaking the bond between the 2nd and 3rd phosphate in ATP
  3. Pyruvic Acid converting to Acetyl-CoA
  4. Absorption of light by chlorophyll
  5. Splitting water molecules
Grade 8 Biochemical Pathways
What are the reactants of cellular respiration?
  1. water [math](H_2O)[/math] and glucose [math](C_6H_12O_6)[/math]
  2. glucose [math](C_6H_12O_6)[/math] and carbon dioxide [math](CO_2)[/math]
  3. carbon dioxide [math](CO_2)[/math] and water [math](H_2O)[/math]
  4. glucose [math](C_6H_12O_6)[/math] and oxygen [math](O_2)[/math]
Grade 8 Biochemical Pathways
What does cellular respiration always release?
  1. oxygen
  2. carbon dioxide
  3. energy
  4. lactic acid
Grade 10 Biochemical Pathways
What is NOT true about energy transformation in living things?
  1. Energy from respiration is recycled by plants to carry out photosynthesis
  2. Light energy is converted to chemical energy by plants during photosynthesis
  3. Chemical energy is transformed to heat energy as organisms carry out respiration
  4. Energy is stored by plants in bonds of organic compounds used as food
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