Sugars Can Travel All Throughout a Plant

question 7

Multiple Choice

Sugars can travel all throughout a plant.How do they "know" where to go?

• A)Phloem transport proteins carry the sugar molecules and bind to sugar receptors on cells where they are needed.
• B)Like diffusion down a concentration gradient,sugar flows from source to sink.
• C)Sugar flows by gravity from the leaves to the roots.
• D)Sugar adheres to water molecules and is pulled up by transpiration.