What are Phytochrome, photoreceptor, red and far-red light?

Classify the pictured organism.  Answers a) monocot angiosperm b) dicot angiosperm c) monocot gymnosperm d) dicot gymnosperm either a) or c) Please explain which one is correct.

Why cytokinins are applied to plants externally?

why do leaves turn brow, red, and orange in the fall?

How does photoperiodism explain why certain plants grow better than others in different seasons?

What specific tissue and cell types does photosynthesis occur? How do the flowering plant types designate monocot and dicot differ? What are the differences between monocot and dicot leaves?

How is the transport ofsubstances done across thebryophyte tissues? How is thisfeature related to the generalsize of these plants?

Which of the following phytochemicals are considered to provide vascular support? 1. flavonoids and capsaicin 2. tannins and curcumin 3. limonene, inositol, and sulfides 4. ellagic acid and saponins

List and describe the different proteins that make up the light reaction thylakoid membrane.

Phytochrome, plays an important role in flowering in many plants.  It can also be used to determine when lettuce seeds germinate (shown in the figure below What is phytochrome likely doing in the lettuce seeds?       Activating abscisic acid production     Activating inhibitors of germination     Inhibiting gibberellin synthesis     Turning on germination-related genes