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5 Written questions

5 Matching questions

  1. glycogen
  2. carbohydrate
  3. purine
  4. nucleotide
  5. DNA
  1. a A sugar (monosaccharide) or one of its dimers (disaccharides) or polymers (polysaccharides).
  2. b a nitrogenous base that has a double-ring structure; one of the two general categories of nitrogenous bases found in DNA and RNA; either adenine or guanine
  3. c A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins
  4. d An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch
  5. e The building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous bas and a phosphate group

5 Multiple choice questions

  1. one of two types of nitrogenous bases found in nucleotides, characterized by a six-membered ring. Cytosine (C), thymine (T), and uracil (U)
  2. A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses)
  3. A storage polysaccharide in plants consisting entirely of glucose
  4. the covalent bond between two amino acid units, formed by condensation synthesis
  5. A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule

5 True/False questions

  1. steroida type of lipid that consists of four carbon rings to which various functional groups are attached


  2. alpha helixA spiral shape constituting one form of the secondary structure of proteins, arising from a specific hydrogen-bonding structure


  3. monosaccharideThe simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, the molecular formulas of monosaccharides are generally some multiple of CH20


  4. cholesterolA long molecule consisting of many similar or identical monomers linked together


  5. celluloseA structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages


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