Q: Archaeal cell walls contain a variety of polysaccharides and proteins but lack what? Choices: - RNA - DNA - S-layers - peptidoglycan A:
peptidoglycan

Q: Integral proteins penetrate the hydrophobic interior of the what? Choices: - metabolism bilayer - skin bilayer - carbon bilayer - lipid bilayer A:
lipid bilayer

Q: Q: During metamorphosis, most salamander species go through what aquatic stage on the way to becoming adults? Choices: - prophase - metaphase - anaphase - larval stage A:
A: larval stage

Question: Q: How many continents do birds breed on? Choices: - 4 - 2 - 3 - 7 A:
Answer: 7

*Question*
Q: Chemical reactions follow which laws? Choices: - Physics Analysis - Chemical kinetics - Archie's law - thermodynamics A:
**Answer**
thermodynamics

Q: Q: Acids can also react with metals, and when they do they produce what? Choices: - alloys - potassium gas - rust - hydrogen gas A:
A: hydrogen gas