Ques:Answer the following question given this paragraph: Living things depend on catalysts to speed up many chemical reactions inside their cells. Catalysts in living things are called enzymes. Enzymes may be extremely effective. A reaction that takes a split second to occur with an enzyme might take billions of years without it!. Q: What speeds up chemical reactions inside cells? Choices: - nucleus - inhibitors - electrodes - catalysts A:

Ans:catalysts
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Ques:Answer the following question given this paragraph: A common disorder of the ovaries is an ovarian cyst . A cyst is a sac filled with fluid or other material. An ovarian cyst is usually harmless, but it may cause pain. Most cysts slowly disappear and do not need treatment. Very large or painful cysts can be removed with surgery. Q: What is the term for a sac filled with fluid or other material? Choices: - blister - lesion - tumor - cyst A:

Ans:cyst
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Ques:Answer the following question given this paragraph: Hydrocarbons are compounds that contain only carbon and hydrogen. They are the simplest type of carbon-based compounds. Q: What are the simplest types of carbon-based compounds? Choices: - particles - Microbes - Cells - hydrocarbons A:

Ans:hydrocarbons
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Ques:Answer the following question given this paragraph: The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular systems. Q: What structure of the body falls between cells and organs in complexity? Choices: - muscles - molecules - proteins - tissues A:

Ans:
tissues
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