process of particles moving from an area where they are more concentrated to an area where they are less concentrated
New cards
19
facilitated diffusion
Which molecules pass across the membrane through protein channels in the cell membrane
New cards
20
aquaporin
water channel protein in a cell membrane
New cards
21
hypertonic (more strength)
when comparing two solutions, the solution with the greater concentration of solutes
New cards
22
hypotonic (less strength)
when comparing two solutions, the solution with the lesser concentration of solutes
New cards
23
C6-H12-06
What is a symbol for sugar made during photosynthesis
New cards
24
tissue
Group of specialized cells that perform a particular function together
New cards
25
organ
group of tissues that work together to perform a function
New cards
26
organ system
multiple organs that work together to perform a specific function
New cards
27
organism
a living thing that carries on the activities of life by means of organs which have seperate functions but are dependant on each other
New cards
28
predatory
an interaction in which one organism,the _________ eats all or part of the body of another organism, the prey.
New cards
29
prey
an animal that is hunted or killed by another animal for food
New cards
30
herbivore
a plant-eating animal
New cards
31
commensalism
symbiotic relationship in which one organism benefits and the other is neither helped nor harmed
New cards
32
mutualism
symbiotic relationship in which both species benefit from the relationship
New cards
33
niche
full range of physical and biological conditions in which an organism lives and the way in which the organism uses those conditions
New cards
34
habitat
area where an organism lives including the biotic and abiotic factors that affect it
New cards
35
resource
any necessity of life, such as water, nutrients, light, food, or space
New cards
36
symbiosis
relationship in which two species live close together
New cards
37
parasitism
a symbiotic relationship in which one organism lives on or inside another organism and harms it
New cards
38
primary succession
succession that occurs in an area in which no trace of a previous community is present
New cards
39
secondary succession
type of succession that occurs in an area that was only partially destroyed by disturbances
New cards
40
pioneer species
first species to populate an area during succession
New cards
41
Ribosomes
What takes care of synthesized proteins?
New cards
42
endoplasmic reticulum
internal membrane system found in eukaryotic cells; place where lipid components of the cell membrane are assembled
New cards
43
Golgi apparatus
organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside of the cell
New cards
44
Vacuole
cell organelle that stores materials such as water, salts, proteins, and carbohydrates
New cards
45
lysosome
cell organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell
New cards
46
cytoskeleton
network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement
New cards
47
chloroplasts
cell organelle that converts energy from sunlight into chemical energy through the process of photosynthesis
New cards
48
mitochondria
cell organelle that converts the chemical energy stored in food into compounds that are more covenient for the cell to use (POWER HOUSE)
New cards
49
cell wall
strong, supportive layer around the cell membrane in most prolaryotes and some eukaryotes
New cards
50
organism
cells, tissues, organ, organ system, __________
New cards
51
cell
basic unit of all forms of life
New cards
52
cell membrane
thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell
New cards
53
nucleus
in cells, structure that contains the cells genetic material in a form of DNA
New cards
54
eukaryote
organism whose cells contain a nucleus
New cards
55
prokaryote
unicellular organism that lacks a nucleus
New cards
56
Photosynthesis
cluster of chlorophyll and proteins found in thylakoids
New cards
57
diffusion
movement of molecules from high concentration to low concentrations
New cards
58
passive transport
movement of particles across a cell membrane without the use of energy by the cell
New cards
59
active transport
uses energy to move materials into a area of higher concentration
New cards
60
osmosis
diffusion of water through the selectively permeable membrane
New cards
61
endocytosis
when a cell uses energy to surround a particle and enclose the particle in a vesicle to bring the particle into the cell
New cards
62
exocytosis
when particles are enclosed in a vesicle and released from a cell
Studied by 43 people
