7643311
Description
Quiz by Daniel Brand, updated more than 1 year ago
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Created by Daniel Brand
almost 8 years ago
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Question 1
Question
Which of the following descriptions apply to lipids? Check all that apply.
Answer
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Soluble in water
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Soluble in alcohol
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Contain, C, H, and O only
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Macromolecules
Question 2
Answer
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Triglyceride
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Glucose
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Phospholipid
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Glycerol region
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Phosphoric acid region
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Fatty acid chain
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Carboxyl group
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Ester bond
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1,4-Glycosidic bond
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1,6-Glycosidic bond
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Peptide bond
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Saturated fatty acid chain
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Unsaturated fatty acid chain
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Glycerol region
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Ester bond
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Saturated fatty acid chain
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Unsaturated fatty acid chain
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1,4-Glycosidic bond
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Polypeptide chain
Question 3
Question
Which of these are uses of triglycerides? Check all that apply.
Answer
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Thermal insulation
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Buoyancy
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Energy store
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Protection of vital organs
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Aid in digestion
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Support cell walls
Question 4
Question
Unsaturated fats are more fluid than saturated fats.
Answer
- True
- False
Question 5
Question
Sugars store more energy per gram than fats.
Answer
- True
- False
Question 6
Answer
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Triglyceride
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Phospholipid
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Polymer
Question 7
Question
A phospholipid can be thought of having a [blank_start]polar[blank_end] 'head', consisting of a [blank_start]glycerol[blank_end] and [blank_start]phosphoric acid[blank_end] group, and [blank_start]hydrophobic[blank_end] 'tails', consisting of [blank_start]fatty acid chains[blank_end]. Phospholipids are the most predominant molecule in the [blank_start]bilayer[blank_end] forming plasma membranes.
Answer
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polar
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hydrophobic
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hydrophobic
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polar
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glycerol
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fatty acid chain
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a-Glucose chain
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phosphoric acid
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carboxylic acid
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carboxyl
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fatty acid chains
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phosphoryl groups
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B-Glucose chains
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amylopectin
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bilayer
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monolayer
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transport proteins
Question 8
Question
Which of the following statements are true about the "fluid mosaic model"?
Answer
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Describes the typical plasma membrane
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Mainly comprised of phospholipids
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Polar heads turn towards each other, hydrophobic tails point 'outwards'
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Selectively permeable
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