Q: What is the body of a roundworm covered with? Choices: - thick scales - thin epidermis - slime - tough cuticle A:
tough cuticle

Q: What is the tissue beneath a mollusks' shell called? Choices: - cartilage - skin - mucous - mantle A:
mantle

Q: Ebola is an example of a disease spread by what kind of infectious agent? Choices: - bacteria - colds - flus - virus A:
virus

Q: What kind of enzyme is phosphofructokinase? Choices: - covalent - intracellular - orthosteric - allosteric A:
allosteric