If the transition state of an enzyme catalyzed reaction contained a positive charge, which amino acids would most likely be present in the active site to aid in transition state formation?

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

What best describes lactic acid fermentation?

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?