Q: What are chemical messengers that control sexual development and reproduction? Choices: - lipids - proteins - neurotransmitters - sex hormones A:
sex hormones

Q: What kind of muscle is responsible for making the human heart beat? Choices: - deltoid - teres minor - respiratory muscle - cardiac muscle A:
cardiac muscle

Q: The chloroplasts contain a green pigment called what? Choices: - chloroplasm - sodium - melanin - chlorophyll A:
chlorophyll

Q: What is the process in which glucose is made using energy in light called? Choices: - glucosynthesis - photogenesis - gluconeogenesis - photosynthesis A:
photosynthesis