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Test

L9 Energy in the Cell

Mer Scott 8 preguntas 5,0 (1 valoración)

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Preguntas del test (8)

  1. 1A cell requires energy to... (choose the CORRECT statements.)
    1. Amake new materials.
    2. Bgrow.
    3. Cmove.
    4. Dpump ions across membranes.
  2. 2Which statement about compartmentalised energy production is INCORRECT?
    1. AGlycolysis occurs in the sER.
    2. BThe citric acid cycle occurs in the mitochondria.
    3. COxidative phosphorylation occurs in the mitochondrial membrane.
  3. 3Cellular respiration releases chemical energy from food using mechanical energy.
    1. AVerdadero
    2. BFalso
  4. 4Which statement about the mitochondria is NOT correct?
    1. AMitochondria contain ribosomes and mitochondrial DNA in their matrix.
    2. BThe mitochondria has two phospholipid bilayers, with specific proteins integrated into these.
    3. CThe mitochondria's inner membrane has cristae to increase surface area and efficiency of organelle function.
    4. DThe mitochondria can change shape, fuse and divide, and form branched networks.
    5. EMitochondria are capable of producing all their own necessary proteins.
  5. 5Choose the CORRECT statements about glycolysis.
    1. AGlycolysis occurs in the cytosol.
    2. BGlycolysis breaks down glucose into pyruvate, smaller more manageable units.
    3. CGlycolysis occurs after the Krebs Cycle.
    4. DGlycolysis releases energy and electrons.
  6. 6Choose the INCORRECT statement about the Krebs cycle.
    1. AIt is also known as the Citric Acid Cycle.
    2. BIt uses energy(ATP).
    3. CIt produces electrons for the carried NAD and FAD.
    4. DIt processes pyruvate from glycolysis.
  7. 7Choose the statement about oxidative phosphorylation which is INCORRECT.
    1. AOxidative phosphorylation is the final step of energy generation in a cell, and release the largest amount of energy(ATP).
    2. BOxidative phosphorylation is made up of two steps: firstly, chemiosmosis, followed by an electron transport chain.
    3. COxidative phosphorylation moves H+ up its concentration gradient, where it is used to make ATP in the protein ATP synthase.
    4. DOxidative phosphorylation occurs in the intermembrane space within the mitochondria.
    5. EOxidative phosphorylation uses electrons from NADH and FADH.
  8. 8The concentration gradient over the mitochondria's membrane is used to generate ATP.
    1. AVerdadero
    2. BFalso

Información

Descripción
Objectives: Identify the major energy requirements of a cell Describe the basic structure and function of the mitochondrion Describe the importance of cellular compartments in energy generation Outline similarities and differences between energy generation in animal and plant cells
Idioma
English
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23
Valoración
5,0 de 5 · 1 valoración
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