Term | Definition |
element | a substance that can not be broken down into simpler substances |
compound | when two elements are combined chemically |
carbohydrates | a elements made up of carbon, hydrogen, and oxygen |
lipids | elements made up of carbon, hydrogen, and oxygen |
protien | large organic molecules mad eof hydrogen, oxygen, nitrogen, and, inm sme other cases, sulfur |
amino acids | protein molecules that are made up smaller molecules molecules |
enzyme | that speeds up a chemical reaction in a living |
Nulceic acids | are very long organic made of carbon, nitrogen, oxygen, hydrogen, phosphurus |
Dna | is a genetic that carries information about an organism |
Rna | its a chemical found in cytoplasm |
selectively permable | some substances go thru the membrane while others can not |
diffusion | main method which molecules move across the membrane |
omosis | is a diffusion of water molecules thru the preamable membrane |
passive transport | the movement dissolved material thru a cell without using energy |
active transport | the movement of dissoleved using celluar energy |
photosynthesis | cell captures energy in sublight uses to make food |
autotroph | an organism that makes it own food |
heterotroph | an organism that feeds off of other animals |
pigment | color chemical compounds that absorb light |
chlorophyll | the main photosynthetic pigment in chloroplasts |