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Biology > Unit 4 > Flashcards

Unit 4 Flashcards

1
Q

what molecule provides a quick source of energy for cellular activities

A

ATP

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2
Q

how can atp be recharged

A

by adding a third phosphate group

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3
Q

what is energy

A

the ability to do work

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4
Q

example of chemical energy

A

battery

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5
Q

example of mechanical energy

A

hammering a nail

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6
Q

example of electrical energy

A

lightning

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7
Q

example of thermal energy

A

warmth from the sun

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8
Q

five daily activities cells need energy for

A

movement, growth, dividing, membrane transport, making proteins

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9
Q

what os the difference between a autotroph and heterotroph

A

autotrophs make their own food and heterotroph have to hunt/ find it

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10
Q

two examples of autotrophs

A

algae and grass

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11
Q

two examples of heterotrophs

A

humans and bears

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12
Q

why is glucose a better energy store for cells than atp

A

the breakdown of one glucose molecule is enough to make 38 atp molecules

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13
Q

chemical equation for photosynthesis

A

CO2 +H20 = C6H12O6 + O2

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14
Q

What part of a plant cell is responsible for photosynthesis

A

chloroplasts

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15
Q

why ate most plants green

A

chlorophyll is a pigment that gives them the green color

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16
Q

what three factors affect the rate of photosynthesis

A

amount of light, amount of water, temperature

17
Q

why is photosynthesis important for life on earth

A

it is the foundation of the food chain

18
Q

what is the chemical reaction for respiration

A

C6H12+ 6O2 = 6CO2 +6H2O + ATP

19
Q

what is the difference between aerobic and anaerobic respiration

A

aerobic uses oxygen and anaerobic does not

20
Q

what are two types of anaerobic respiration

A

alcoholic fermentation and latic acid fermentation

21
Q

what are the products of anaerobic respiration

A

latic acid, carbon dioxide and alcohol

22
Q

what is number 1
the

A

sun/light energy

23
Q

what is number 2

A
24
Q

what is number three

A
25
Q

what is number four

A
26
Q

what is number five

A
27
Q

what os number six

A
28
Q

what is number seven

A
29
Q

what is number eight

A
30
Q

what is number nine

A
31
Q

what is number 10

A

Biology (12 decks)

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