Phys Midterm
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| A saturated fatty acid is one in which | oneone or more double bonds in its hydrocarbon chain are saturated with hydrogen atoms. or more double bonds in its hydrocarbon chain are saturated with hydrogen atoms.
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| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False
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| RNA and DNA have the same pyrimidine bases but different purine bases. | False
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| A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a | nucleic acid.
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| Which of these is not a lipid? | polysaccharide
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| Unsaturated fats: | will kink or bend because of the double bonds between the carbon atoms.
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| Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end.
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| The formation of sucrose involves the removal of a molecule of water. This is called: | dehydration synthesis.
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| The amino group in an amino acid is: | NH3+.
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| Which energy-releasing or energy-transferring molecule does not contain a nucleotide? | Creatine phosphate
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| A structural lipid found in the cell membrane is a: | steroid, and triglyceride.
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| If one side of a DNA molecule is CTAGGCTG, the other side would be: | GATCCGAC.
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| Why is cartilage slow to heal? | because it is semi-solid and flexible, and because it does not have a blood supply
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| Bones grow in diameter due to bone formation ________ | In the endosteum or periosteum
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| Which function of the skeletal system would be especially important if you were in a car accident? | protection of internal organs
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| The joints between the articulating surfaces of the vertebral processes are classified as what type of joint? | gliding
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| A contraction in which muscle length remains the same but muscle tension increases is called an | isometric contraction.
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| The contractile unit of a muscle cell is the | sarcomere.
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