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10 Cards in this Set
- Front
- Back
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Starch, such as that found in saltine crackers, does not immediately taste sweet. However, if starch is left in the mouth for a few minutes, a sweet taste emerges. What is the source of this sweet taste? |
The starch is broken down into individual glucose molecules, which taste sweet |
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Why do most steroids have chemical structures very similar to cholesterol? |
Most steroids are created using cholesterol as the starting material. |
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The coiling of a chain of amino acids describes a protein's ________. |
secondary structure |
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A and D |
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Chromosomes store hereditary genetic information in form of what molecules? |
DNA |
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Consider the below partial RNA sequence.ACCCUUGAACGUUUUThis sequence produces a polypeptide four amino acids long that let us assume that it is crucial for correct cellular function. If a genetic mutation causes one of the nucleotides in this sequence to be "deleted", or removed", what would the consequence be? |
A vastly different shorter polypeptide would be produced that would likely damage the cell's ability to function. |
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Why are children more vulnerable to a lack of vitamins than adults? |
Children have not had time to build vitamin reserves in their fat stores. |
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Overdosing on vitamins is a real threat and can cause significant health problems. Why do water-soluble vitamins present less of a risk than fat-soluble vitamins? |
Excess water-soluble vitamins are easily excreted by the body. |
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Which of the following terms describes specifically the breaking down of large biomolecules into smaller biomolecules? |
catabolism |
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What foods would provide the quickest burst of energy? High Glycemic index or Low? |
High |
