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gen bio lipids
32問 • 1年前
  • Joshua Timbol
    • 通報

    問題一覧

  • 1

    are usually associated with fats, which most people try to get rid of when attempting to lose weight.

    Lipids

  • 2

    are not purely harmful. Many of our physiological functions highly rely on ____.

    Lipids

  • 3

    Excessive consumption of food products that are rich in fats can lead to _____.

    obesity and heart diseases

  • 4

    Characteristics

    •Used as energy stores •Diverse chemical structures •Nonpolar hydrocarbon chains •Water-insoluble organic compounds

  • 5

    A typical fat consists of a _____ molecule with ___ chains that are combined through a dehydration reaction.

    glycerol, three fatty acid

  • 6

    Glycerol + fatty acids

    triglycerides

  • 7

    The two types of fatty acids are ___ fatty acid.

    saturated and unsaturated

  • 8

    ____ have no double bonds in their hydrocarbon chains which gives them a straight-chain conformation.

    Saturated fatty acids

  • 9

    ____ have hydrocarbon chains that contain one or more double bonds between carbon atoms. These double bonds usually bend in the carbon chain.

    Unsaturated fatty acids

  • 10

    can be in the form of animal, plant, or fish fats.

    Fats

  • 11

    usually consist of saturated fatty acids, which make them solid at room temperature.

    Animal fats

  • 12

    are liquid at room temperature because of their unsaturated fatty acids.

    Plant and fish oils

  • 13

    are produced from hydrogenation. They are common in fast foods, fried foods, and many junk food products.

    Trans fats

  • 14

    are usual sources of trans fats. Excess consumption of these products may increase our risk of acquiring heart disease.

    Fast-food items

  • 15

    A ______ has tails of two fatty acid chains and a head that contains a phosphate group.

    phospholipid

  • 16

    hydrophilic head + hydrophobic tail

    Phospholipid

  • 17

    The presence of unsaturated fatty acids in some phospholipids contribute to the ____ of the cell membrane.

    fluidity

  • 18

    are a vital class of lipids because they are the primary components of cell membranes.

    Phospholipids

  • 19

    are examples of steroids.

    Cholesterol and testosterone

  • 20

    serves as the precursor of all other steroid products. It is a key component of animal cell membranes and an essential component in our diet.

    Cholesterol

  • 21

    is naturally synthesized by the male gonad to initiate many male-specific changes in the body.

    Testosterone

  • 22

    What structure is this?

    Cholesterol

  • 23

    What structure is this?

    Testosterone

  • 24

    are produced by plants to prevent desiccation or water loss when exposed to too much sunlight.

    Waxes

  • 25

    are present in feathers of birds.

    Waxy water repellent layers

  • 26

    are present in exoskeleton of insects.

    Waxy water repellent layers

  • 27

    is a natural wax produced in honeycombs.

    Beeswax

  • 28

    digestion involves the subsequent release of individual fatty acid chains, which ultimately produces a monoglyceride

    Triglyceride

  • 29

    Triglyceride digestion involves the subsequent release of individual fatty acid chains, which ultimately produces a ___

    monoglyceride

  • 30

    The ___ contain triglyceride molecules and other cholesterol molecules to carry these molecules from the intestine to the liver and adipose tissue.

    chylomicrons

  • 31

    __ are lipids that have four interconnected carbon rings and no fatty acid tails. They have diverse roles, such as hormone synthesis and vitamin transport.

    Steroids

  • 32

    is associated with carbohydrate metabolism, as products of glucose can also be converted into lipids.

    Lipid metabolism

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    問題一覧

  • 1

    are usually associated with fats, which most people try to get rid of when attempting to lose weight.

    Lipids

  • 2

    are not purely harmful. Many of our physiological functions highly rely on ____.

    Lipids

  • 3

    Excessive consumption of food products that are rich in fats can lead to _____.

    obesity and heart diseases

  • 4

    Characteristics

    •Used as energy stores •Diverse chemical structures •Nonpolar hydrocarbon chains •Water-insoluble organic compounds

  • 5

    A typical fat consists of a _____ molecule with ___ chains that are combined through a dehydration reaction.

    glycerol, three fatty acid

  • 6

    Glycerol + fatty acids

    triglycerides

  • 7

    The two types of fatty acids are ___ fatty acid.

    saturated and unsaturated

  • 8

    ____ have no double bonds in their hydrocarbon chains which gives them a straight-chain conformation.

    Saturated fatty acids

  • 9

    ____ have hydrocarbon chains that contain one or more double bonds between carbon atoms. These double bonds usually bend in the carbon chain.

    Unsaturated fatty acids

  • 10

    can be in the form of animal, plant, or fish fats.

    Fats

  • 11

    usually consist of saturated fatty acids, which make them solid at room temperature.

    Animal fats

  • 12

    are liquid at room temperature because of their unsaturated fatty acids.

    Plant and fish oils

  • 13

    are produced from hydrogenation. They are common in fast foods, fried foods, and many junk food products.

    Trans fats

  • 14

    are usual sources of trans fats. Excess consumption of these products may increase our risk of acquiring heart disease.

    Fast-food items

  • 15

    A ______ has tails of two fatty acid chains and a head that contains a phosphate group.

    phospholipid

  • 16

    hydrophilic head + hydrophobic tail

    Phospholipid

  • 17

    The presence of unsaturated fatty acids in some phospholipids contribute to the ____ of the cell membrane.

    fluidity

  • 18

    are a vital class of lipids because they are the primary components of cell membranes.

    Phospholipids

  • 19

    are examples of steroids.

    Cholesterol and testosterone

  • 20

    serves as the precursor of all other steroid products. It is a key component of animal cell membranes and an essential component in our diet.

    Cholesterol

  • 21

    is naturally synthesized by the male gonad to initiate many male-specific changes in the body.

    Testosterone

  • 22

    What structure is this?

    Cholesterol

  • 23

    What structure is this?

    Testosterone

  • 24

    are produced by plants to prevent desiccation or water loss when exposed to too much sunlight.

    Waxes

  • 25

    are present in feathers of birds.

    Waxy water repellent layers

  • 26

    are present in exoskeleton of insects.

    Waxy water repellent layers

  • 27

    is a natural wax produced in honeycombs.

    Beeswax

  • 28

    digestion involves the subsequent release of individual fatty acid chains, which ultimately produces a monoglyceride

    Triglyceride

  • 29

    Triglyceride digestion involves the subsequent release of individual fatty acid chains, which ultimately produces a ___

    monoglyceride

  • 30

    The ___ contain triglyceride molecules and other cholesterol molecules to carry these molecules from the intestine to the liver and adipose tissue.

    chylomicrons

  • 31

    __ are lipids that have four interconnected carbon rings and no fatty acid tails. They have diverse roles, such as hormone synthesis and vitamin transport.

    Steroids

  • 32

    is associated with carbohydrate metabolism, as products of glucose can also be converted into lipids.

    Lipid metabolism