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50 Cards in this Set
- Front
- Back
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what is cohesion
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when molicules stick together
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what is adhesion
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when unlike molicules stick together
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what is surface tension
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it allows some animals to walk on water
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how does water go to the top of a tree
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each drop pulls the one behind it up
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why does ice float
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it is less dense then the water
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why is it important that ice is less dense then water
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so then it wont kill all the organisms from when it floats up
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what is a solvent
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liquid that dissolves substances
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what is a solute
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the substance that gets dissolved
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what is an acid
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anyhting that dissochates in H+ ions
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what is a base
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anything that dissochates in OH ions
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how does a buffer work
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it absorbs H+ ions if there are to many released
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what does an organic compound contain
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contains carbon
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what does an inorganic compound not have in it
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has no carbon in it
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what do these materials contain, monosaccharide, disaccharide, and a polysaccharide
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fats
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what are the building blocks of fats
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glycerial
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why is cellulose considered roughage fiber for humans
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humans dont have cellulose
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what is the function of a carbohydrate
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to give off proteins
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what is a phosphillipid bilayer
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two fatty acids chained
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what is a trigliceride
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three fatty acid chains
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what are the building blocks of proteins
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amino acids
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what is dehydration synthesis
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when your body loses water
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what is hydrolysis
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when water seperates molicules appart
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what does a eukaryotic cell have
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neucleus
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what doesnt a prokaryetic cell have
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neucleus
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what do all cells have in common
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cell membrane, dna, cytoplasm, ribosomes, and endoplasmic reticulium
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what are the differences between plant and animal cells
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cell wall, plastids, vacuoles, shape, centrioles, and lysosomes
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why do cells need to be bathed by fluids on both sides
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to transport molicules in and out of the cell
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how do plants stand up without a skeleton
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the pressure of the water
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what causes leaves to change colors
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chromoplasts
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what is passive transport
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a transport that dosnt have any energy
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what is diffussion, and what direction does it move
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where molicules spread themselves out in space, and from high to low concentration
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what is equillibrium
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it is the distribution of molicules
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what is facilitated diffusion
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where proteins move molicules in and out of the cell
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what is osmosis
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movement of molicules from high to low concentration
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what is a hypertonic solution
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it is when the cells get to much water
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what happens to a cell when it is put in a hypertonic solution
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it will swell up
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what is a isotonic solution
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where a cell dosnt get enuf water
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what happens to a cell when it is put in a isotonic solution
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it will shrink
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what is active transport
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it is energy used to move molicules from LOW TO HIGH concentration
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what is ment by moving up a concentration gradient
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going low to high concentration
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where does all life come from
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the sun
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what can an autotroph producer do
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make their own food
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what cant a heterotroph producer do
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make their own food
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what is kenetic energy
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what is happening now
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what is potential energy
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energy being stored before it is used
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is glucose the only molicule formed during photosynthesis
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no carbon dioxide is too
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how do chlorophyll atoms trap the suns energy
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it uses chloroplast to trap it
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what part of the plant does photosynthesis occur
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in the higher energy level parts
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what organelle part of the plant does photosynthsis occur
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in the heterotrophs
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what is the purpose of photosynthesis
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to recycle crutial chemicals in the enviroment
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