Science Chapter 3 Flashcards

1
Q

passive transport:

A

movement of molecules w/o energy input

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2
Q

osmosis:

A

passive transport of water via diffusion

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3
Q

active transport:

A

protein binds to a particle and uses energy to move through the cell membrane

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4
Q

equilibrium:

A

when molecules in a substance are spread evenly

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5
Q

producer:

A

something that makes it’s own food

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6
Q

enzymes:

A

speeds up chemical reactions

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7
Q

exocytosis:

A

when vesicles release their contents

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8
Q

metabolism:

A

all the activity that occurs in the interior of an organism

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9
Q

diffusion:

A

movement of molecules to where less molecules are

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10
Q

consumer:

A

an organism that can’t make it’s own food

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11
Q

organic compound:

A

containing carbon and hydrogen

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12
Q

fermentation:

A

releasing energy w/o oxygen w/ glucose

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13
Q

inorganic compound:

A

elements other than carbon and hydrogen

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14
Q

endocytosis:

A

taking substances into a cell and surrounding it

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15
Q

mixture:

A

is a blend of two or more substance , each of which retains its identity

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16
Q

compound:

A

substance made up of two or more elements which are chemically combined

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17
Q

matter:

A

has mass and takes up space

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18
Q

energy:

A

the ability to cause change

19
Q

matter is made of:

A

atoms

20
Q

elements have kind of atom

A

one

21
Q

molecular compound ->

A

molecule

22
Q

ions:

A

electrically charged atoms, positive or negative

23
Q

ions of _____ charges attract one another neutral compounds

A

opposite

24
Q

carbon:

A

supply energy for cell process

25
Q

lipids:

A

store and release energy

26
Q

most living things use ____ to transport materials

A

water

27
Q

cells have a selectively ______ membrane what regulates what goes in/out of our cell

A

permeable

28
Q

plants use _____ _____ to convert it into energy/sugars (food)

A

light energy

29
Q

cellular respiration:

A

when chemical reactions break down food molecules into simpler substances and release stored energy

30
Q

carbohydrates are broken down into…

A

glucose molecules

31
Q

Cellular respiration uses:

A

Oxygen and produces CO2

32
Q

fermentation occurs in the…

A

cytoplasm

33
Q

the opposite

A

photosynthesis and respiration

34
Q

bubbles=

A

CO2

35
Q

Fermentation produces:

A

sugars and oxygen

36
Q

protons have a _____ charge:

A

positive

37
Q

neutrons have a _____ charge:

A

neutral (no charge)

38
Q

electrons have a _____ charge:

A

negative

39
Q

atom # =

A

protons

40
Q

atom mass =

A

protons + neutrons

41
Q

Photosynthesis is in:

A

chloroplast

42
Q

COHN:

A

Carbon, Oxygen, Hydrogen, Nitrogen

43
Q

Photosynthesis:

A

water and carbon dioxide mixed, w/ energy