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Biology Question Bank: Y9 > Respiration > Flashcards

Respiration Flashcards

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1
Q

Compare aerobic and anaerobic respiration?

A
  • Aerobic respiration requires oxygen (anaerobic does not)
  • For aerobic, the glucose breakdown is complete (incomplete anaerobic)
  • aerobic produces carbon dioxide and water (anaerobic produces lactic acid for animal cells; carbon dioxide and ethanol for yeast and plant cells)
  • aerobic releases a lot of energy (anaerobic releases a little)
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2
Q

Fill in the blank: In aerobic respiration, glucose is broken down in the presence of ______ to produce energy.

A

oxygen

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3
Q

What is the main product of anaerobic respiration in yeast?

A

Ethanol and carbon dioxide.

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4
Q

What is the chemical formula for aerobic respiration?

A

C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

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5
Q

True or False: Anaerobic respiration occurs in human muscle cells during intense exercise.

A

True

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6
Q

What process do plants use to perform aerobic respiration?

A

Photosynthesis provides glucose for aerobic respiration.

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7
Q

What is the word equation for aerobic respiration in animals/plants/yeast?

A

Glucose + oxygen → carbon dioxide + water (+ energy released)

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8
Q

What is the word equation for anaerobic respiration in animals?

A

Glucose → lactic acid + energy released

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9
Q

What is the word equation for anaerobic respiration in plants/yeast?

A

Glucose → ethanol + carbon dioxide + energy released

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10
Q

Where does respiration take place in the cell?

A

The mitochondria.

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11
Q

Define respiration

A

Respiration is a chemical reaction carried out in all living organisms to release energy from glucose.

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12
Q

In what form is energy transferred during respiration?

A

Energy is transferred in the form of ATP (adenosine triphosphate) during respiration.

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13
Q

How does respiration differ from breathing/gas exchange?

A

Respiration releases energy from glucose (not) using oxygen, while gas exchange involves getting oxygen into the body and removing carbon dioxide.

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14
Q

What are three uses of energy in living organisms?

A

Energy is used for (three from):
- chemical reactions
- muscle contraction
- maintaining body temperature
- growth and cell division
- active transport
- passage of nerve impulses
- protein synthesis

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15
Q

What is ATP

A

ATP (adenosine triphosphate) is a molecule that is produced during respiration and provides energy in living organisms

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16
Q

What is anaerobic respiration

A

Anaerobic respiration is the chemical reaction in cells that breaks down nutrient molecules to release energy without using oxygen.

17
Q

What is aerobic respiration

A

Aerobic respiration is the chemical reaction in cells that breaks down nutrient molecules to release energy using oxygen.

Biology Question Bank: Y9 (6 decks)

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