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biology unit 1 > old > Flashcards

old Flashcards

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1
Q

what type of energy does active transport require

A

ATP energy produced by mitochondri

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2
Q

What produces ATP energy

A

mitochondria does cellular respiration to produce atp energy

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3
Q

does active transport require energy ?

A

yes

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4
Q

does diffusion require energy

A

no

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5
Q

does osmosis require energy

A

no

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6
Q

can charged particles go through lipids

A

no

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7
Q

in which direction does active transport flow ( concentration gradient) ?

A

low to high

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8
Q

in which direction does diffusion flow ( concentration gradient )

A

high to low

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9
Q

what is solute

A

solute is what is dissolved

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10
Q

what is solvent

A

solvent is what dissolves

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11
Q

what is solution

A

is a mixture of the solvent and the solute

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12
Q

what is hypotonic

A

a solution with a lower concentration of solute

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13
Q

what is hypertonic

A

a solution with a higher concentration solute

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14
Q

what is isotonic

A

a solution with a balance of both solvent and solute

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15
Q

what are 3 substances dissolved in the plasma of blood

A

O2, CO2, glucose, cholesterol

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16
Q

what does a diluted solute ( osmosis ) cause the water to become

A

concentrated

16
Q

what does a concentrated solute ( osmosis ) cause the water to become

A

diluted

17
Q

in osmosis water will move where the ____ concentration is higher

A

solute

18
Q

what is the Biuret solution

A

Biuret test is a test for protein its colour is blue and when a solution tests positive for protein then it will turn purple if the solution does not contain protein then it will stay blue

19
Q

what is the Iodine test for starch

A

This is a test for starch it is yellow if what is being tested is positive for starch then it will turn blue-black if it remains yellow the same then it does not contain any starch

20
Q

what is the Benedict’s solution

A

Benedict’s solution is a blue solution that tests for sugars if the solution contains sugar it will turn orange or red if it doesn’t contain sugar then it will remain blue

biology unit 1 (8 decks)

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