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5 Written questions

5 Matching questions

  1. proteins
  2. defensive
  3. enzymatic
  4. deoxyribose
  5. globular
  1. a the type of protein that protects against disease; example: antibodies combat bacteria and viruses
  2. b the shape of proteins that are roughly spherical
  3. c the sugar connected to DNA; has one less oxygen atom than the other sugar associated with nucleic acids
  4. d macromolecules that are constructed from one or more polypeptides, each folded and coiled into a specific three-dimensional structure; all made from same 20 amino acids; most structurally sophisticated molecule known
  5. e the type of protein that selectively accelerates chemical reactions; example: digestive enzymes release polymers in food

5 Multiple choice questions

  1. a polymer of glucose monomers; synthesizing this allows for the storage of glucose, and thus, stored energy; this molecule is helical in shapeq
  2. specialized macromolecules that speed up chemical reactions in cells; considered proteins
  3. giant molecules formed by the joining of smaller molecules, usually by a condensation reaction; polysaccharides, proteins, and nucleic acids are considered these
  4. one of a group of compounds, including fats, phospholipids, and steroids, that mix poorly, if at all, with water; they are not composed of true polymers, so they are generally not large enough to be considered macromolecules; they are hydrophobic because they contain few polar bonds and many hydrocarbon regions; they vary in form and function
  5. a polysaccharide that is a major component of the tough walls that enclose plant cells; most abundant organic compound on Earth; polymer of glucose

5 True/False questions

  1. polymera long molecule consisting of many similar or identical building blocks linked by covalent bonds, much as a train consists of a train of cars; carbohydrates, nucleic acids, and proteins are examples of these

          

  2. glycerola polymer of glucose that is like amylopectin (a complex starch that is a branched polymer with 1-6 linkages at branch points) but more extensively branched; animals store this

          

  3. alpha helixa secondary structure that is a delicate coil held together by hydrogen bonding between every fourth amino acid

          

  4. beta pleated sheeta fat made from unsaturated fatty acids; they are liquid at room temperature (oils) because kinks in -cis bonding prevent molecules from packing together to solidify

          

  5. antiparallela polymer of glucose monomers; synthesizing this allows for the storage of glucose, and thus, stored energy; this molecule is helical in shapeq