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Living Env. Unit 2
Unit 2 practice sheet
| Question | Answer |
|---|---|
| Statement that describes starches, fats, proteins, DNA | complex molecules made from smaller molecules |
| How many hydrogen atoms are in: C6H12O6 | 12 |
| Macromolecules are broken down into their building blocks by the process of | hydrolysis |
| Basic building blocks of protein | amino acids |
| macromolecules that do not dissolve in water | lipids |
| element matched with correct symbol | Hydrogen : H |
| Which biomolecule makes up cell membranes, and stores energy | lipids |
| major role of carbohydrates | supply energy for the body |
| biomolecule that makes up enzymes | proteins |
| Shrimp that live in the cold waters off Alaska will die if introduced into warm water. Why do they die? | Their enzymes change shape |
| Plant cell wall is made up of | cellulose |
| All cells of an organism are engaged in chemical reactions. We know this because | each cell has thousands of different kinds of enzymes |
| soil bacteria that inhabit the polar regions of earth | contain enzymes that function at low temperatures |
| inorganic molecule | water |
| Chemicals that help chemical reactions occur at faster rates in living organisms | organic catalysts |
| biomolecule that contains hereditary information | nucleic acids |
| nucleic acid | DNA |
| carbohydrates | glucose, starch, simple sugar |
| function of a specific enzyme is most directly influenced by | physical shape |
Created by:
cboula
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