WE learned last week that humans dont go through photosythensisplants are recyling centers by taking in co2 and letting out oxegen as their waste.Plants reuse their garbeage.They grow with co2A they grow they take more carbon doixide.e learned about fermnaition of respiraition oxegen and angerobic respiraition and experimental procedure.get a test tube.power tube.then we learne doabout michodria makes respiraition and chloroplast makes photosythesis a cell wall is the structure crlll memebrane let stuff go i and out the nucleus has dna inside it.Then finally we learned that dna has 2 parts two helixes with these base hairsa which connests the 2 heliesand we learned dna dosnt disolve in alchol dna looks like a twisted ladder