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Science Class_6th Grade > Cells and Energy_Lesson 10.4 > Flashcards

Cells and Energy_Lesson 10.4 Flashcards

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1
Q

all living things need _____ to survive

A

energy

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2
Q

cells process energy from food into the…

A

energy-storage compound, ATP

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3
Q

a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP

A

cellular respiration

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4
Q

cellular respiration occurs in two parts of a cell-

A

the cytoplasm and the mitochondria

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5
Q

the first step in cellular respiration

A

glycolysis

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6
Q

a process by which glucose, a sugar molecule, is broken down into smaller molecules

A

glycolysis

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7
Q

glycolysis produces…

A

ATP

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8
Q

glycolysis uses energy from…

A

Other ATP molecules

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9
Q

the second step in cellular respiration occurs in…

A

the mitochondria of eukaryotic cells

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10
Q

the second step in cellular respiration requires

A

oxygen

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11
Q

what occurs in the second step of cellular respiration?

A

smaller molecules made from glucose is broken down and large amounts of ATP- usable energy are produced

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12
Q

cells use ____ to power all cellular processes

A

ATP

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13
Q

cells use ATP to power…

A

all cellular processes

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14
Q

what are the two waste products given off during the second step of cellular respiration?

A

water and carbon dioxide(CO2)

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15
Q

the CO2 released by cells as a waste product is used by…

A

plants and some unicellular organisms in photosynthesis

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16
Q

reactions in the mitochondria convert _______ and small molecules into ______ , ______, and _________

A

oxygen; ATP; water; carbon dioxide

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17
Q

can be classified as usable energy

A

ATP

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18
Q

cellular respiration continues in the _____ after glycolysis

A

mitochondria

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19
Q

cellular respiration continues in the mitochondria after _______

A

glycolysis

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20
Q

during the first step of cellular respiration or _______, glucose is broken down into _______.

A

glycolysis; smaller molecules

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21
Q

smaller molecules and oxygen is absorbed by a _______.

A

mitochondrion

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22
Q

after being absorbed by the mitochondrion, smaller molecules and oxygen are turned into…

A

ATP (energy), water (H2O), and carbon dioxide (CO2)

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23
Q

the products of glycolysis are used in….

A

step 2 of cellular respiration

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24
Q

when your cells don’t have enough oxygen to make ATP through cellular respiration, ATP is obtained through…

A

fermentation

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25
oxygen is not require in which process?
fermentation
26
a reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low
fermentation
27
because no oxygen is used, fermentation makes _____ ATP than cellular respiration
less
28
fermentation occurs in the...
cytoplasm
29
how types of fermentation are there?
two
30
what are two types of fermentation?
lactic-acid fermentation and alcohol fermentation
31
lactic-acid fermentation occurs when...
glucose is converted into ATP and a waste product called lactic acid
32
some bacteria and fungi help produce cheese, yogurt, and sour cream using...
lactic-acid fermentation
33
muscle cells in humans and other animals can use lactic-acid fermentation and obtain energy during...
exercise
34
alcohol fermentation produces...
an alcohol called ethanol and CO2
35
some types of bread are made using yeast. The dough rises through...
CO2 produced by yeast during alcohol fermentation
36
what are the waste products of lactic-acid fermentation?
ATP (energy) and lactic acid
37
what are the waste products of alcohol fermentation?
ATP (energy), carbon dioxide (CO2), and alcohol
38
when cells do not have enough _______ to make ________ through cellular respiration, they use a process called ______
oxygen; ATP; fermentation
39
because no ________ is used, less _____ is produced than in _________
oxygen; ATP; cellular respiration
40
Plants and some unicellular organisms obtain energy from...
light
41
a series of chemical reactions that convert light energy, water, and CO2 into the food-energy molecule glucose and give off oxygen
photosynthesis
42
the second step during cellular respiration are...
chemical reations
43
photosynthesis requires...
light
44
In plants, pigments absorb...
light energy
45
when chlorophyll absorbs light, it is absorbs all colors except...
green
46
chlorophyll ________ green light
reflects
47
ALL leaves are the color green because...
green light is reflected
48
plants can be many colors because of...
pigments besides chlorophyll which reflect different colors
49
a leaves' color depends on...
what colors are reflected by its' pigments
50
chlorophyll is a...
pigment
51
the light absorbed by pigments powers...
the chemical reactions of photosynthesis
52
where chemical reactions during photosynthesis occur
chloroplasts
53
the organelles in plant cells that CONVERT light energy to chemical energy in food
chloroplasts
54
during photosynthesis, light energy, water, and carbon dioxide combine and make...
sugars
55
besides sugars, photosynthesis produces ______ which is released into the atmosphere
oxygen
56
in Greek what does "photo" mean?
light
57
in Greek what does "synthesis" mean?
composition
58
photosynthesis USES...
light energy and CO2
59
photosynthesis PRODUCES...
food energy and releases oxygen
60
the food energy produced during photosynthesis is stored...
in the form of glucose
61
when an organism eats plant material it takes in...
food energy
62
when an organism obtains food energy by eating plant material it transfers the food energy into usable energy (ATP) through...
cellular respiration

Science Class_6th Grade (17 decks)

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