Mitochondria Flashcards

1
Q

what is the structure of the mitochondrial genome

A

circular, prokaryotic,

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2
Q

how many protein coding genese are in the mitcohondria, what are they mainly for

A

60 protein coding genes, protein synthesis and respiratory functions

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3
Q

how many copies of the genome are there for mitochondria

A

multiple copies of the gene per mitochondria (polyploid)

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4
Q

are there any repeats in the mitochondrial genome

A

yes, the genome includes direct repeats and unique regions in the genome

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5
Q

how are proteins translocated into the mitochondria

A

proteins are encoded by nuclear genes and are imported post-translationally.

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6
Q

in what state are proteins imported

A

they are imported in an unfolded state

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7
Q

what do chaperone proteins do

A

they help to maintain the unfolded state of proteins and assist in translocation

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8
Q

mitochondria have how many genes (non-coding)

A

2000 to 3000

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9
Q

where do proteins pass through

A

the inner and outer membrane

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10
Q

there are distinct mitochondria in the shoot [blank]

A

apical meristem

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11
Q

how to increase surface area in the inner membrane

A

folded into cristae to increase SA for ATP production

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12
Q

mitochondria generate ATP via

A

oxidative phosphorylation

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13
Q

how does the mitochondria interact with the nucleus

A

wrap around it in interphase and dividing cells to optimize energy supply

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