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Elena L [17]
3 years ago
15

The percentage of germination of lettuce seeds exposed to far-red light, then blue light, and then red light compared to lettuce

seeds that were exposed to far-red light only would be expected to be ____________________ .
Biology
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0

Answer:

<u>50%</u>

Explanation:

<em>Since</em> it was not a case of a Lettuce seed exposed first to <em>red light</em> and then to <em>far-red light</em> which will very likely not germinate because Pr (chromoprotein inactive form) absorbs red light efficiently, the light absorbed will convert a high proportion of the molecules to the Pfr (chromoprotein active form), thereby inducing germination. So there is a 50/50 percentage chance of of germination.

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