Answer the following question given this paragraph: Carbonated beverages contain carbon dioxide gas that is dissolved in solution. Do you think a carbonated beverage is a mixture or a pure substance? Explain. Q: What gas, that is dissolved in solution, is used in carbonated beverages? Choices: - phosphorus dioxide - carbon monoxide - hydrogen peroxide - carbon dioxide A:
carbon dioxide
(Question)
Answer the following question given this paragraph: Photosynthesis occurs in the chloroplast, an organelle specific to plant cells. Q: Which organelle specific to plant cells is responsible for photosynthesis? Choices: - the mitochondria - the vacuole - the lipid - the chloroplast A:
(Answer)
the chloroplast
Ques: Answer the following question given this paragraph: Quaternary structure is a larger assembly of several polypeptide chains, now referred to as subunits of the protein. The quaternary structure is stabilized by the same interactions as the tertiary structure. Complexes of two or more polypeptides are called multimers. Specifically, a dimer contains two subunits, a trimer contains three subunits, and a tetramer contains four subunits. Q: What structure is a larger assembly of several polypeptide chains that are now referred to as subunits of the protein? Choices: - digital structure - geological structure - pyramid structure - quaternary structure A:
Ans: quaternary structure
(Q).
Answer the following question given this paragraph: Nuclear power plants use the energy they produce to heat water. The water turns into steam, which causes a turbine to spin. This in turn produces electricity. Q: What kind of power plant uses energy to heat water that becomes steam and spins turbines? Choices: - hydroelectric - coal - wind - nuclear power plants A:
(A).
nuclear power plants
Ques:Answer the following question given this paragraph: Proteins are biochemical compounds that consist of one or more chains of amino acids. Proteins have many different functions. For example, some are enzymes, and some are hormones. Q: What is a biochemical compound that is a chain of amino acids called? Choices: - DNA - lipids - hormones - proteins A:

Ans:proteins
Ques:Answer the following question given this paragraph: Adrian Pingstone (Wikimedia: Arpingstone). Brightly colored poison dart frogs have toxins in their skin . Public Domain. Q: What is contained in the skin of brightly colored poison dart frogs? Choices: - spores - acid - poison - toxins A:

Ans:
toxins