What is the function of the fat? PLease choose A,B,C and D.

2006-10-21 8:29 pm
(1) as a component of cell membrane
(2) as a type of energy storage in plants
(3) as a heat insulator in animals

A. (3)only
B. (1) and (2) only
C. (1) and (3) only
D. (1), (2) and (3)

回答 (4)

2006-10-29 7:28 am
✔ 最佳答案
i think the ans is C
cell membrane is a lipid bilayer membrane whicb the hydrophilic face outward and hydrophobic tail hide between the bilayer
in plant the energy storage is starch or other type of glucose the lipids in plant are used as a signal
as fat is a poor conductor it always used as a heat insulator under the skin
2006-10-21 11:17 pm
c
fat is the component of cell membranes to maintain the fluidity of it
energy storage of is starch,not fat
fat is a poor heat conductor which reduce heat loss from the animals
2006-10-21 10:03 pm
it is A. (3) only
plant has no fat
the component of cell membrane does not include fat
2006-10-21 8:37 pm
I think is C. (1) and (3)
參考: Biology textbook


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