Part 2 of Chapter 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| steroids | large lipid molecules composed of 4 connected rings of carbon atoms (ex: cholesterol)
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| cholesterol | best-known steroid
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| phospholipids | consists of a glycerol & 2 fatty acids linked to a nonpolar group (ex: lechithin)
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| fatty acids | lauric acid
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| fats | monoglycerides, diglycerides, triglycerides
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| proteins | most abundant organic component of the human body
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| support | structural proteins create a three-dimensional framework for the body, providing strength, organization, and support for cells, tissues, and organs
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| movement | contractile proteins are responsible for muscular contraction; related proteins are responsible for the movement of individual cells
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| transport | insoluble lipids, respiratory gases, minerals such as iron, and several hormones are carried in the blood attached to transport proteins; other specialized proteins transport minerals between different parts of a cell
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| buffering | proteins provide a buffering action, helping to prevent potentially dangerous changes in pH in cells and tissues
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| metabolic regulation | enzymes speed up chemical reactions in living cells; the sensitivity of enzymes to environmental factors is extremely important in controlling the pace ad direction of metabolic operations
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| coordination & control | protein hormones can influence the metabolic activities of every cell in the body or affect the function of specific organs or organ systems
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| defense | the tough, waterproof proteins of the skin, hair, and nails protect the body from environmental hazards; proteins known as antibodies protect us from disease, and special clotting proteins restrict bleeding following an injury to the cardiovascular system
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| enzyme function | The reactants in an enzymatic reaction (substrates) interact to form a specific product. Before an enzyme can function as a catalyst, the substrates must bind to a special region of the enzyme (active site).
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| nucleic acids | large organic molecules composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus; store & process information at the molecular level inside cells (ex: DNA & RNA)
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| deoxyribonucleic acid (DNA) | determines our inherited characteristics (eye color, hair color, blood type); builds proteins; controls the shape & physical characteristics of our bodies (adenine, guanine, cytosine, & thymine)
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| ribonucleic acid (RNA) | cooperate to manufacture specific proteins using information provided by DNA (adenine, guanine, cytosine, & uracil)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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