Questions tagged [sugar]

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14
votes
1answer
19k views

Why is ATP produced in photosynthesis used to synthesize glucose?

In photosynthesis ATP is produced in light-dependent reactions only to go to the Calvin cycle to be turned into glucose to make ATP during respiration: Why isn't this ATP just directly released into ...
5
votes
1answer
224 views

Is plasma membrane permeable to sucrose

I searched a lot in the net but don't found a clear answer. I just want to know if plasma membrane is permeable to sucrose.
3
votes
1answer
421 views

Why doesn't sugar spoil?

Sugar contains a lot of easily accessible chemical energy. Why seemingly nothing likes to grow on it?
1
vote
3answers
799 views

How is sugar in fruit metabolized, or digested and used?

I thought before, in general, when we have sugar in our food, then the sugar goes in our bloodstream, and if there is too much sugar, then insulin is secreted by our pancreas, and the sugar is pushed ...
0
votes
2answers
279 views

Is sugar absorbed into the bloodstream through the walls of the mouth?

If you let a piece of candy melt in your mouth, but did not swallow it, would the sugar be absorbed through the walls of your mouth?