Q: What is the term for animal-like protists that are usually single-celled? Choices: - eukaryotes - vertebrates - larvae - protozoa A:
protozoa

Q: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy? Choices: - carbohydrates - hormones - calories - enzymes A:
enzymes

Q: What produces enzymes that digest carbohydrates in plant cell walls? Choices: - pollen - protists - algae - bacteria A:
bacteria