Biology( f.4)- stoma
Why the stomata usually closes in dark condition ??????
Please explain (in Chinese or English)
回答 (2)
其實stomata入面係有o的photosynthetic pigments o係度,
如果佢見到光就會有光合作用,所以就會開口,
所以o係冇光o既情況下佢就會收番埋喇...
stomata平時開係因為比d gas diffuse,
e.g co2 入cell for photosynthesis,
不過呢d全部都係light reaction到做
dark reaction 唔需要外來的co2.
咁stomata 開唔會促進dark reaction
但係為了乃止water lose through stomata,
佢就 close了
收錄日期: 2021-04-12 17:46:14
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