Q: What is the metabolic process by which cells obtain energy by "burning" glucose? Choices: - electromagnetic respiration - cellular transportation - cellular digestion - cellular respiration A:
cellular respiration

Q: In what organ does pepsin help break down proteins? Choices: - kidney - liver - skin - stomach A:
stomach

Q: Q: Boiling points increase with which kind of mass? Choices: - lipid mass - universal mass - protons mass - molar mass A:
A: molar mass

Question: Q: Gene duplications that are able to persist over many generations without causing too much harm to an organism or species can lead to what? Choices: - characteristics - parasites - permutations - mutations A:
Answer: mutations

*Question*
Q: The heart is an organ in which system? Choices: - nervous system - immune system - respiratory system - circulatory system A:
**Answer**
circulatory system

Q: Some membrane proteins that actively transport ions contribute to what? Choices: - organism potential - protein potential - cellular potential - membrane potential A:
membrane potential