Q: Answer the following question given this paragraph: This passage from a Bach cello suite could be played by any trained musician from any country, because there is agreement as to what the symbols on the page mean. In the same way, molecules are represented using symbols that all chemists agree upon. Q: Molecules are represented by symbols that all who agree on? Choices: - astrologists - geologists - physics - chemists A:
A: chemists

Q: Answer the following question given this paragraph: Salamanders can breathe with the help of gills, lungs, or their skin surface. Q: What organ breaks down excess amino acids and toxins in the blood? Choices: - kidney - heart - lungs - liver A:
A: liver

Q: Answer the following question given this paragraph: The nucleus is an example of an organelle . An organelle is any structure inside a cell that is enclosed by a membrane. Eukaryotic cells may contain many different organelles. Each does a special job. For example, the mitochondrion is an organelle that provides energy to the cell. You can see a mitochondrion and several other organelles in the animal cell in Figure above . Organelles allow eukaryotic cells to carry out more functions than prokaryotic cells can. Q: Any structure inside a cell that is enclosed by a membrane is called? Choices: - an article - a particle - an enclave - an organelle A:
A: an organelle

Q: Answer the following question given this paragraph: Hydrogen peroxide is commonly sold as a 3% by volume solution for use as a disinfectant. Q: Hydrogen peroxide is commonly sold as a 3% by volume solution for use as a what? Choices: - detergent - antiseptic - surfactant - disinfectant A:
A: disinfectant