Chloroplasts Flashcards

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1
Q

what needs to be present for photosynthesis to occur

A

Forphotosynthesisto occur,chlorophyllmust be present. All Plants containorganellescalledplastids.Plastidscan containchlorophyll, these Plastids are calledchloroplastsand it is here that the magic ofphotosynthesisoccurs.

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2
Q

what is the structure of a chloroplast

A

Chloroplastsare surrounded by adouble membrane.Theouter membraneissemipermeablewhile theinner membraneis studded withtransportproteinsto facilitate themovementof substances into and out of the organelle.

Within the organelle, we findstacksofdisc-shapedcompartments calledthylakoids. These are formed bymembranescalledlamellaand arestackedto formgrana(singular:granum). It is within thethylakoidsthat we find chlorophyll pigments calledquantasomes. Stroma, which is theliquidpart ofchlorophyll,surrounds the thylakoids.

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