Chap 3 Science7A test

Question 1

organic compounds

Answer 1

compounds that contain carbon, hydrogen, and oxygen

Question 2

carbohydrate

Answer 2

primary energy source in living things

Question 3

mono saccharide

Answer 3

one sugar

Question 4

lipid

Answer 4

stores energy long term

Question 5

1 glycerol, 3 fatty acids

Answer 5

lipid

Question 6

protein

Answer 6

make up the structure found in living things

Question 7

amino acids

Answer 7

the base unit of a protein

Question 8

peptide

Answer 8

amino acid block

Question 9

dipeptide

Answer 9

amino acid bond

Question 10

enzyme

Answer 10

protein

Question 11

nucleic acid

Answer 11

stores info in a chemical code

Question 12

passive transport

Answer 12

where small molecules or ions move across the membrane without input of energy by the cell

Question 13

osmosis

Answer 13

the diffuision of water molecules from high to low

Question 14

diffusion

Answer 14

the movement of molecules from high to low

Question 15

active transport

Answer 15

where big molecules move across the membrane through carrier proteins

Question 16

endocytosis

Answer 16

the cell membrane surrounds bacterium and engulfs it in a vesicle made of the cell membrane

Question 17

exocytosis

Answer 17

proteins are made by the cell ribosomes and are packaged into vesicles, they then are removed through the cell membrane

Question 18

semi permiable

Answer 18

only small molecules can get in or out

Question 19

equilibrium

Answer 19

equal

Question 20

food chain

Answer 20

a model that shows the flow of energy between several organisms

Question 21

producer

Answer 21

organisms that make their own food (autotrophs)

Question 22

consumer

Answer 22

primary, secondary, tertiary- organisms that cant make their own food (heterotrophs)

Question 23

decomposer

Answer 23

organisms that break down dead or decaying organisms for energy

Question 24

food web

Answer 24

a model that shows overlapping food chains in an ecosystem

Question 25

energy pyramid

Answer 25

a model that shows the availability of energy at each trophic level

Question 26

abiotic factors

Answer 26

nonliving components in an ecosystem

Question 27

biotic factors

Answer 27

the living things within an ecosystem

Question 28

metabolism

Answer 28

all the chemical activities in an organism

Question 29

photosynthesis

Answer 29

The combination of water, carbon dioxide, and sunlight to make glucose and oxygen

Question 30

aerobic respiration

Answer 30

Breaking down glucose with oxygen for energy

Question 31

anaerobic respiration/fermentation

Answer 31

breaking down glucose without oxygen for energy

Question 32

biomass

Answer 32

energy stored as part of an organisms body