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Questions in biology

[Open]Which types of proteins help defend the body against foreign agents like bacteria?

[Open]What are greenhouse gases?

[Open]Fructose, sucrose, and starch are all examples of: A. carbohydrates B. lipids C. nucleic acids D. proteins

[Open]Where does all of the energy in an ecosystem ultimately come from?

[Open]What is the reason for cleaning dishes, utensils, and food preparation surfaces?

[Open]An input of energy is required to maintain the complexity of living systems. Is this statement true or false? Please explain your answer.

[Open]Are pansies monocots or dicots?

[Open]Which is an advantage that single-celled organisms have over multicellular organisms?

[Open]When the body receives stimuli, which structure typically processes the stimuli?

[Open]What evidence is there to show that changing sand to glass is a chemical change?