Macromolecules Quiz

47 Questions | Attempts: 118
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Macromolecule Quizzes & Trivia

Quiz to help me study for my biochemistry test


Questions and Answers
  • 1. 

    State the formula for monosaccharides

    Correct Answer
    (CH2O)n
  • 2. 

    Disaccharides are formed when(state what disachharides are composed of, linkage formed + type of reaction)

    Correct Answer
    two monosachharides joined together, glycosidic linkage, condensation reaction
  • 3. 

    Monosachharides and disaccharides differ from polysacharrides and are referred to as

    Correct Answer
    simple sugars
  • 4. 

    State the formula for glucose

    Correct Answer
    c6 h12 06
    c6h1206
  • 5. 

    In animals, glucose is the main ______ sugar in the blood, _____ concentration is carefully controlled. glucose is considered to be a ________

    Correct Answer
    transport, glucose, monosaccharide
    transport, blood/glucose, monosaccharide
  • 6. 

    Fructose and galactose are examples of _____ of glucose

    Correct Answer
    isomers
  • 7. 

    Humans cannot break down what type of glucose?

    Correct Answer
    beta glucose
  • 8. 

    Give examples of pentose sugars (5 carbon atoms)

    Correct Answer
    ribose, deoxyribose, ribulose
    deoxyribose, ribulose, ribose
    ribose, ribulose, deoxyribose
    deoxyribose, ribose, ribulose
    ribulose, ribose, deoxyribose
  • 9. 

    Starch is broken down into ______ by the enzyme ____________ can be broken down into glucose through ______ or 2 _____ molecules can bond to form ________, which is considered to be a ________

    Correct Answer
    maltose, amylose, maltose, hydrolysis, glucose, maltose, disaccharide
  • 10. 

    Sucrose is a _______ that is formed when _______ is bonded to _______, it is commonly found in ______ and is less ______ than glucose

    Correct Answer
    disaccharide, fructose, glucose, plants, reactive
    disaccharide, glucose, fructose, plants, reactive
  • 11. 

    Lactose is a ______ that is formed when  ______ is bonded to _________, and is only found in _______ milk

    Correct Answer
    disaccharide, glucose, galactose, mammals
    disaccharide, galactose, glucose, mammals
  • 12. 

    Starch is a ______ that is made up of _____ and _____. _____ is an unbranched glucose polymer held together by a  ________; whereas ______ is a branched glucose polymer held together by a ________ with branch points formed by a _______.the angles at which the ________ is held makes them ________ in water

    Correct Answer
    polysaccharide, amylose, amylopectin, amylose, 1-4 glycosidic linkage, amylopectin, 1-4 glycosidic linkage, 1-6 glycosidic linkage, 1-4 glycosidic linkage, insoluable
    polysaccharide, amylopectin,amylose, amylose, 1-4 glycosidic linkage, amylopectin, 1-4 glycosidic linkage, 1-6 glycosidic linkage, 1-4 glycosidic linkage, insoluable
  • 13. 

    Polysaccharides are long chains of _____________ joined together by __________

    Correct Answer
    monosaccharides, glycosidic linkages
  • 14. 

    Glycogen is formed when excess ____ molecules are linked to form glycogen. Glycogen is an ______ storing molecule in _______. similar to ______ with a 1-4 glycosidic linkage with a 1-6 branch point linkage. humans store glycogen in the _____ and _____ cells. enzymes in these tissues ______ glycogen into _______ molecules for energy. _______ is found in the ______ of plants.

    Correct Answer
    glucose, energy, animals, amylopectin, muscle, liver, hydrolize, glucose, glycogen, cytoplasm
  • 15. 

    Cellulose is a straight chain polymer of ___ _______ molecules held together by a __ __________ _______. their _____ shape allows the _______ groups of parallel molecules to form many _______ bonds producing tight bundles called _________. these _______ intertwine forming tough, _______ cell walls.  humans and most ______ cant breakdown the ___ _____ in cellulose. however cellulose is beneficial to the digestive system as cellulose can _____ against the _____ ________ stimulating ______ cells to secrete mucus that lubricates the feces and aids in easy digestion. cows have an enzyme called ___ ______ that breaks down the _____ linkages

    Correct Answer
    beta glucose, 1-4 glycosidic linkage, straight, hydroxyl, hydrogen, microfibrils, microfibrils, insoluable, animals, beta glucose, scrape, large intestine, intestinal, beta amylase, beta
  • 16. 

    Lipids are

    • A.

      Hydrophobic

    • B.

      Hydrophillic

    Correct Answer
    A. Hydrophobic
  • 17. 

    Triglycerides are comprised of ______ and ___________

    Correct Answer
    glycerol, fatty acids
  • 18. 

    If there are no c=c bonds in the hydrocarbon chain that it is a _______ fatty acid, but if there is one c=c bond in the chain it is a _____ fatty acid, a fatty acid with more than one c=c bond is called a ________. Saturated fatty acids have _____ chains and _____ melting points, whereas unsaturated fatty acids form ____ chains and have _____ melting points.Also, saturated fatty acids tend to be found in ____ blooded animals and unsaturated fats tend to be found in ____ blooded in animals. At room temperature saturated fatty acids are ____ and unsaturated fats are _____

    Correct Answer
    saturated, unsaturated, polyunsaturated, straight, high, bent, low, warm, cold, solid, liquid
    saturated, monounsaturated, polyunsaturated, straight, high, bent, low, warm, cold, solid, liquid
  • 19. 

    Fatty acids are used for ________, ______, and _________, in fatty tissue

    Correct Answer
    storage, insulation, protection
    insulation, storage, protection
    protection, storage, insulation
    storage, protection, insulation
    insulation, protection, storage
  • 20. 

    The hydrocarbon chain in a fatty acid can be from __ to __ units long but it always has to be an ___ number

    Correct Answer
    14, 22, even
  • 21. 

    When glycerols _____ group and the fatty acids _______ group react a _______ reaction and _______ process take place.

    Correct Answer
    hydroxyl, carboxyl, condensation, esterfication
  • 22. 

    The rigid kinks in _________ fatty acids ______ # of van der waal attractions, whereas the _____ hydrocarbon chains of ______ fatty acids allows them to fit _____ together and thus _____ # of van der waals attractions

    Correct Answer
    unsaturated, reduces, straight, saturated, closely, increases
  • 23. 

    Phospholipids have ___ fatty acids and triglycerides have __ fatty acids

    • A.

      3, 3,

    • B.

      2, 4,

    • C.

      2, 3,

    • D.

      1, 2,

    • E.

      1, 3,

    Correct Answer
    C. 2, 3,
  • 24. 

    In phospholipids the phosphate head is ____ and ______ and the 2 fatty acid chains are _____ and ______

    Correct Answer
    polar, hydrophillic, non-polar, hydrophobic
  • 25. 

    Phospholipids have __ functional groups, in the head there is ____ that has an ___ group, a _____ group, and in the tails there is _____ that has a _____ group

    Correct Answer
    3, choline, amino, phosphate, glycerol, hydroxyl
  • 26. 

    Steroids, being lipids, are ______ and have __ hydrocarbon linked ____. Steroids include: c_____, c______ and h______. c_____ can be attained through ____ and can be produced by the ____. c_____ is needed for the cell membrane to function properly as it effects ______. C_____ can also be converted into compounds such as vitamin __ and ___ ____.

    Correct Answer
    hydrophobic, 4, rings, cholesterol, cortisol, hormones, cholesterol, diet, body, cholesterol, fluidity, cholesterol, k, bile salts
  • 27. 

    Proteins have an central carbon atom called the ____ ____ and have 3 groups attached to it called:-a___ ______-c_________ _____-__ _____

    Correct Answer
    amino group, carboxyl group, "r" group,
  • 28. 

    Waxes are long chains of _____ ____ that are attached to ________ or a carbon ring.

    Correct Answer
    fatty acids, alcohol
  • 29. 

    Amino acids are called amino acids because they have both ___ groups and ___ groups, which have _______ charges. at neutral pH, (found in most living organisms) the groups are _____. the overall net charge on the molecule is therefore ____ and this molecule is called a ________ ___.

    Correct Answer
    amino, acid, opposite, polar, zero, zwitter ion
  • 30. 

    At a low pH an amino acid is _________, at a neutral pH there is __ _____ and at a high ph the amino acid is ________

    Correct Answer
    positive, no charge, negative
  • 31. 

    Each amino acid has a different ___________ that makes each protein unique and gives them a wide range of properties.

    • A.

      Beta carbon

    • B.

      Phosphate group

    • C.

      Nitrogenous base

    • D.

      R group

    Correct Answer
    D. R group
  • 32. 

    Amino acids are joined together by a _____ ____ to form a __________, the reaction inolved is a _________ ____________, it takes place in ____________ and the sequence of amino acids in a polypeptide is determined by the sequence of the _______ ______ in ___

    Correct Answer
    peptide bond, polypeptide, condensation reaction, ribosomes, genetic code, DNA
  • 33. 

    In a polypeptide there is always one end with a free ________ group called the __________ and one end with a free _______ group called the ____________

    Correct Answer
    amino, N-terminus, carboxyl, C-terminus
  • 34. 

    In secondary structure of proteins, ________ bonds form between the __________ group and the ________ groups of amino acids along the same _____ so that the polypeptide takes on a ______ shape called alpha ______. when two separate polypeptide strands run ______ to eachother _______, an _______ shape appears called the beta ______ _______.

    Correct Answer
    hydrogen, carboxyl, amino, chain, coiled, helix, parallel, interact, accordion, pleated sheet,
  • 35. 

    In tertiary structure the polypeptide chain continues to _____ and _____ itself as a result of the interaction between the __ ________. P_____, __-____ and _____ "r"groups interact to form ________, ________ and __________ bonds.

    Correct Answer
    bend, fold, "r" groups, polar, non-polar, ionic, hydrogen, ionic, covalent
    bend, fold, "r" groups, polar, non-polar, ionic, hydrogen, covalent, ionic
  • 36. 

    The combination of two or more ____________ _______ forms a protein. the overall shape of a protein is determined by its ______ _________. chemical and physical factors such as changes in __ and ________ can _______ a protein.

    Correct Answer
    polypeptide chains, primary structure, pH, temperature, denature,
  • 37. 

    ___________ direct the growth and development of every living organism. included in this group is D___, R___, A__ and nucleotide co-enzymes. Essential for ____ in plant cells and ______ _______ in plant and animal cells.

    Correct Answer
    nucleic acids, DNA, RNA, ATP, photosynthesis, cellular respiration,
  • 38. 

    DNA and RNA are

    • A.

      Monomers

    • B.

      Nucleotides

    • C.

      Polymers

    • D.

      Coenzymes

    • E.

      Cofactors

    Correct Answer
    C. Polymers
  • 39. 

    DNA and RNA are made up of ______ units called _________. _________ enzymes and ATP are _________.

    Correct Answer
    monomer, nucleotides, nucleotides, monomers
  • 40. 

    A nucleotide is made up of a _________ sugar, a ________ group and a __________ base.

    Correct Answer
    pentose, phosphate, nitrogenous
  • 41. 

    IN DNA, Purines have ___ ring(s) and include ________ and ______; whereas pyramides have ____ ring(s) and contain _______ and _______.These are the 4 _______ bases.

    Correct Answer
    two, adenine, guanine, one, cytosine, thymine, nitrogenous
    two, guanine, adenine, one, thymine, cytosine, nitrogenous
    two, adenine, guanine, one, cytosine, thymine, nitrogenous
    two, guanine, adenine, one, cytosine, thymine, nitrogenous
  • 42. 

    In DNA, which pair

    • A.

      Adenine and guanine pair and cytosine and thymine pair

    • B.

      Thymine and adenine pair and guanine and cytosine pair

    • C.

      Thymine and adenine pair and guanine and uracil pair

    • D.

      Adenine and cytosine pair and thymine and guanine pair

    • E.

      Thymine and guanine pair and adenine and uracil pair

    Correct Answer
    B. Thymine and adenine pair and guanine and cytosine pair
  • 43. 

    DNA nucleotides are joined together at the ________ group, attached to carbon __ at one molecule to the _______ group of carbon __ from another molecule. The bond that unites the phosphate is called a _________ bond

    Correct Answer
    phosphate, 5, hydroxyl, 3, phosphodiester
  • 44. 

    In addition to phosphodiester bonds, ______ bonds, unite strands of DNA together. Adenine will always bond to ________ and is held together by _ _______ ____. Cytosine and __________ always bond together and are held together by _ ______ ____.

    Correct Answer
    hydrogen, thymine, 2 hydrogen bonds, guanine, 3 hydrogen bonds
  • 45. 

    All of the bases are the same in RNA as DNA except ________ replaces ________ in RNA

    Correct Answer
    uracil, thymine
  • 46. 

    DNA is ____ stranded whereas RNA is ____ stranded. DNA's job is to direct all cellular activities whereas RNA's function is to _________ and _________ the genetic information into _________

    Correct Answer
    one, two, translate, transcribe, proteins
  • 47. 

    ATP (adenecine triphosphate)is a _______ made up of a nitrogenous base called __________, a ______ sugar and 3 ______ groups. High _________ bonds are formed between each ________ group and the _______ sugar. When these bonds break, _____ is ________

    Correct Answer
    monomer, adenecine, ribose, phosphate, energy, phosphate, ribose, energy, released

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 16, 2013
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 27, 2010
    Quiz Created by
    Moon_games
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