Problem:
Question 1: What is phototropism?
a. A growth response to UV light
b. A directional growth response
c. A temperature-regulated growth response
d. A form of photosynthesis that affects plant movement
Question 2: Phototropins influence movement of
a. Chloroplasts within cells
b. Turgor in Guard cells
c. Whole organs towards or away from light
d. All of the above
Please Explain don't just write the answer.