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| Which of the following is not made from organic molecules? |
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| What was important about the synthesis of urea? |
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| Urea was the first organic molecule to be synthesized in a laboratory. |
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| Which is not a function of proteins in living systems? |
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Definition
| Provide structure to those cellulose tissue. |
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| How many essential amino acids are there? |
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| Which of the following would you not find in all proteins? |
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| Which is not an example of a polysaccharide? |
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| Which is not an example of a lipid? |
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| Nutritional minerals do not include |
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Vitamin A Vitamin D E. A and D |
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| An organic molecule's chemical function is controlled by |
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| The most complex shape of a protein is the |
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| Sugar is to carbohydrate as amino acid is to a |
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| Which is true for all the organic molecules? |
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Definition
Modular in structure Formed from few elements Carbon-based Controlled by geometry All of the above |
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| The tertiary structure of proteins is |
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Definition
| A twisting, curving, turning, folding and kinking of the protein molecule. |
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| Which of the following is a protein molecule that facilitates chemical reactions between two other molecules? |
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| Some amino acids are called "essential" because they |
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Definition
| should be taken into the body with every meal. |
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| One difference between carbohydrates and proteins is |
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Definition
| The carbohydrate molecule lacks nitrogen. |
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| All the possible bonding sites of the hydrogen and carbon atoms are filled. |
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| What do hamburger, corn, pollen and eyelashes have in common? |
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Definition
They all contain carbon, hydrogen, and nitrogen atoms. They all are composed of a modular molecular structure. They all are a result of a unique combination of molecule shapes. The dominant element in each is carbon. All of the above are true. |
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| Which food combination supplies all essential amino acids? |
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Definition
Peanut butter and Jelly Tofu and Rice Beans and Corn Tortillias All of the Above. |
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| Every distinct protein differs from other proteins in which of the following ways? |
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Definition
Sequence of the amino acids Shape and folding characteristics The primary structure How the protein connects to other proteins All of the above |
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| The difference between high-quality proteins and low quality proteins is that |
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Definition
| Whenever you consume high-quality proteins, you get amino acids in roughly the same proportion as your body proteins |
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| Why can cows digest grass and humans cannot? |
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Definition
| Cows have an enzyme that separates the glucose molecule from the cellulose polymer in grass. |
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| How does aspirin work on pain in the body? |
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Definition
Blocks action of an enzyme decreases the production of prostaglandin interrupts the transmission of nerve signals All of the above |
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