Q: What is released when catabolic pathways break down complex molecules? Choices: - hydrogen - oxygen - food - energy A:
energy

Q: Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what? Choices: - become obvious - very obvious - this obvious - not obvious A:
not obvious

Q: Q: Ammonia, urea, and uric acid are examples of what kind of waste? Choices: - carbonous - sulphurous - oxygenous - nitrogenous A:
A: nitrogenous

Question: Q: What bodily substance is formed from cells, and in turn helps make up organs? Choices: - tendons - muscles - ligaments - tissues A:
Answer: tissues

*Question*
Q: What provides a protective covering for the body and helps maintain homeostasis? Choices: - unadorned system - endorcrine system - lysogenic system - integumentary system A:
**Answer**
integumentary system

Q: Q: The electron transport chains are located on the inner membrane of which organelle? Choices: - chloroplast - lysosome - axon - mitochondrion A:
A: mitochondrion