Science

Question 1

How efficient is photosynthesis?

Answer 1

1%

Question 2

What is c4 photosynthesis and why is it important?

Answer 2

Extra step vs standard c3 process that surrounds rubisco enzyme (which converts co2 into sugars but sometimes uses o2 creating toxic molecule that must be eliminated) w co2.
- c4 vs c3: more efficient (up to 50%) and requires less water and nitrogen
(Evolved separately 45 times in 19 plant families incl corn, millet, sorghum, and key weeds)

Question 3

Exampe of caffeine used in nature to addict

Answer 3

Flowers use to addict pollinators, rats in labs