True or false. Enzymes increase the activation energy (the energy needed to start a reaction) and speed up chemical reactions in organisms.

Which organelle releases chemicals that break down large food particles into smaller ones?

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?

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?