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Bio
sem 1
25 cards·by tylascuteri
abiotic
Non-living factor in an ecosystem
Biotic
living factor in an ecosystem
Decomposers
break everything down so other organisms can use energy
Food web
system of interlocking and interdependent food chains
Carbohydrate elements
CHO
Carbohydrate Building blocks
Monosaccaride
Carbohydrate function
energy storage
Lipid elements
CHO
Lipid Building blocks
glycerol
Lipid function
insulate, protect, control metabolism
Protein elements
CHON
Protein building blocks
Amino Acid
Protein function
Repair, growth
Nucleic acid elements
CHONPS
Nucleic acid building block
nucleotide
Nucleic Acid functions
Controls copies DNA, controls which proteins made
osmosis
movement of water molecules from an area of high concentration (dilute) to low concentration
across a semi-permeable memebrane
Pincoytosis
Food particle surrounded by a food vacuole, digestive enzymes are secreted into vacuole
digesting the food
Phagocytosis
Large food particle cannot fit through cell membrane, cell membrane moved around food
particle to digest it
Active Transport
movement of molecules against a concentration gradient (region of low concentration to a
region of high)
Diffusion
Movement of molecules from high concentration to low till the equilibrium is reached (evenly
distributed throughout system)
hetrotroughs
eats food from other sources (consumer)
Autotroughs
makes own food (producer)
Eukaryotic cells size
Bigger > 0.5μm
Prokaryotic cells size
Small approx. equal to 0.2 μm