biology question

[meely]

Hey everybody! I need some serious help! Yesterday I had to stay home because I was sick and I missed out on all of the notes that my professor was giving us to study. I have a huge test! Please help me!!

what is the difference between digestion and respiration?

what two organelles are involved in biosynthesis?

is a chloroplast an example of leucoplast or a chromoplast?what gives the plasma membrane the ability to reconstruct?

Thanks alot!!! :)

[spaced]

Respiration - breathing action. Oxygen in blood, etc etc

Digestion - food being broken down by acids in stomach.

[gen2]

Respiration is the oxidation of clucose to release energy:

Glucose + Oxygen ==> Carbondioxide + Water + Energy

Digestion is the breakdown of large (mostly insoluble) molecules into smaller soluble molecules by the action of enzymes. Some enzymes work best in a low pH environment (stomach acid) and some in an alkaline environment (bile).

[gen2]

Glucose (not clucose) of course.

[Peter Pedant]

Deso is not being a lot of help

leucoplast has to be white.. chloroplast is green, chormoplast is coloured and so...

chloroplast is a type of chromoplast.

two organelles - I would tip - mitochondria and golgi - not sure about those...

plasma membrane - reconstruction. I know of no biblical reference to plasma membranes, and yup I have rad every word, OT and NT

i would tip - lipid content, and the proteins rejig in the membrane. Presumably you are not learning the Davson-Danielli model of cell membrane but Singer.

And yet it could be the cell wall......