Q: What organ packages nutrients absorbed by the digestive system; produces plasma proteins, clotting factors, and bile; and disposes of worn-out cell components and waste products? Choices: - heart - brain - liver - liver A:
liver

Q: What scale is used to succinctly communicate the acidity or basicity of a solution? Choices: - Richter scale - solvent scale - ions - ph A:
ph

Q: Q: Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones? Choices: - cerebrum - hippocampus - thalamus - hypothalamus A:
A: hypothalamus

Question: Q: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart? Choices: - nitrogen - methane - hydrogen - oxygen A:
Answer: oxygen

*Question*
Q: During photosynthesis, what is energy from the sun converted to after entering a plant? Choices: - Carbon - chloride - Proteins - glucose A:
**Answer**
glucose

(Question)
Q: What is said to occur when both traits appear in a heterozygous offspring? Choices: - identical twins - pollenation - xenophobia - codominance A:
(Answer)
codominance