biology question. help plz?

Question

Hi all. i ahve a hard biology h.w and i hope u can offer some help here.
Q1:
What major change occurs to the molecules of food in subtrate ( after using enzyme for speeding up) in order for them to become end-products?
Q2:
State 2 reasons why this change is important in the process of absorption?
Q3:
What is a major advantages for the process of digestion in humans of having a body temperature of approximately 37.7 C?
i need a serious help in dat.plz try ur best.
thanks in advance
love yahoo!answers
:D

is the text messaging really bad?
sorry 4 dat
:D:D:D:D

Answer 1

Q1. The food is broken up into smaller bits, e.g. starches are broken up into simple sugars, proteins into amino acids.
Q2. Without being broken up, the proteins and starches and other things are simply too big to pass through cell membranes of the cells lining the intestines.
Q3. Probably has something to do with fats and oils. At that temperature, the lipids we'd be interested in digesting are fluid. At lower temperatures, they'd be more solid.

Answer 2

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Answer 3

i wud ahve helped u, but dat plz try ur best :D is gibberish.

You know what I hate most about kids now-a-days? Their inability to spell. If you want someone to do your homework for you, the least you can do is take the time and effort to spell properly.

Until then, have fun reading your text book.

Answer 4

this may help