Cellular Respiration Flashcards

1
Q

What are the parts of the Mitochondria?

A

Outer Membrane
Inner Membrane
Intermembrane Space
Crista
Matrix

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2
Q

What are the functions of the mitochondria?

A
  1. Synthesis of numerous substances (some amino acids and heme groups)
  2. Uptake and release of calcium ions
  3. Regulation of Ca^2+
  4. Cell Death
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3
Q

Function of the Outer Membrane

A
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4
Q

Function of the Inner Membrane

A
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5
Q

Function of the Intermembrane Space

A
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6
Q

Function of the Crista

A
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7
Q

Function of the Matrix

A
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8
Q

What is the permeability of the outer membrane?

A

More permeable

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9
Q

What is the permeability of the inner membrane?

A

Not permeable

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10
Q

Why is the inner membrane not permeable?

A

It does not want other things messing with the Kreb’s Cycle or ETC

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11
Q

What are the types of Electron Carriers?

A
  1. Flavoproteins
  2. Cytochromes (3 types)
  3. Copper Atoms
  4. Ubiquinone
  5. Iron-sulfur Proteins
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12
Q

Where does the Kreb’s Cycle take place?

A

In the matrix

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13
Q

Where does the ETC take place?

A

In the inner membrane

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14
Q

What are the reactants of ETC

A

NADH –> NAD
FADH2 –> FAD

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15
Q

What are the products of ETC?

A

Hydrogen Ions
ATP

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16
Q

What are porins?

A

Lets things in for cellular respiration
i.e. O2, H2O, pyruvate

17
Q

Identify the 4 complexes on the ETC

A

NADH dehydrogenase
Cytochrome b-c1
Cytochrome oxidase complex
Succinate dehydrogenase

18
Q

Role of Complex I: NADH Dehydrogenase

A

-Takes out the hydrogren [H^+] out in the intermediate before it
-Transfers a Hydride ion from NADH to ubiquinone and pumps 4 protons across the inner mitochondrial membrane

19
Q

Role of Complex II: Succinate Dehydrogenase

A