1.6 Respiration Flashcards

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1
Q

What is ATP used for?

A

Cellular activities such as:
* Muscle cell contraction
* Cell division
* Protein synthesis
* Transmission of nerve impulses

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2
Q

What is respiration?

A

Respiration is a series of enzyme controlled reactions that release the chemical energy stored in glucose

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3
Q

What is the word equation for aerobic respiration?

A

Glucose + oxygen —> carbon dioxide + water + energy

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4
Q

What is the first stage of respiration?

A
  • Glucose –> 2 pyruvate +2 ATP
  • Takes place in the cytoplasm
  • Occurrs in all types of respiration in plant, animal, and fungus cells
  • Oxygen is not required
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5
Q

What is the second stage of aerobic respiration?

A
  • 2 pyruvate –> carbon dioxide and water, and lots of ATP
  • Takes place in the mitochondria
  • Glucose is completely broken down
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6
Q

What is fermentation in animals?

A
  • Fermentation occurrs when no oxygen is present
  • Pyruvate is broken down into lactate
  • This yields 2 ATP and is reversible
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7
Q

What is fermentation in animals?

A
  • Fermentation occurrs when no oxygen is presesnt
  • Pyruvate is broken down into alcohol (ethanol) and carbon dioxide
  • This yields 2 molecules of ATP and is not reversible
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8
Q

What is the word equation for fermentation in animals?

A

Glucose + oxygen —> lactate + energy

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9
Q

What is the word equation for fermentation in plants?

A

Glucose + oxygen —> ethanol + carbon dioxide + energy

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