Q: What type of vascular plants produce seeds in cones? Choices: - Proteins - angiosperms - lipids - gymnosperms A:
gymnosperms

Q: Many enzymes are simple proteins consisting entirely of one or more of these? Choices: - alkali acid chains - interaction acid chains - proteins acid chains - amino acid chains A:
amino acid chains

Q: What is caused by bodies sliding over rough surfaces? Choices: - heat loss - tension - vibration - friction A:
friction

Q: What types of glands do only female mammals have? Choices: - pituitary - thyroid - respiratory - mammary A:
mammary