OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which type of molecule do whales use for energy storage and insulation?
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DNA
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glucose
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fat
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starch
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Explanation:
Detailed explanation-1: -Functions-Lipids are used for long-term energy storage, protective coatings (ex: in the cell membrane), and insulation / maintaining warmth (ex: whale blubber).
Detailed explanation-2: -Cells store sugar molecules as glycogen in animals and starch in plants; both plants and animals also use fats extensively as a food store.
Detailed explanation-3: -Blubber an important part of a marine mammal’s anatomy. It stores energy, insulates heat, and increases buoyancy. Storing EnergyEnergy is stored in the thick, oily layer of blubber. The energy stored in blubber includes both proteins (mostly collagen) and fats (mostly lipids).
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