AP BIO chapter 5 review

  1. The type of bond that forms to join monomers (such as sugars and amino acids) into polymers (such as starch and proteins) is a(n) _____ bond.
  2. Cellulose is a _____ made of many _____.
    polymer ... glucose molecules
  3. A polypeptide is...
    a macromolecule constructed from amino acid monomers
  4. Which one of the following carbohydrate molecules has the lowest molecular weight?

    A) Chitin
    B) Glucose
    C) Sucrose
    D) Starch
    B) Glucose
  5. What is the major energy storage compound of plant seeds?
  6. Some lipids are formed when fatty acids are linked to glycerol. These subunits are linked together by _____.
    Ester Linkages
  7. The fatty acid tails of a phospholipid are _____ because they _____.
    hydrophobic ... have no charges to which water molecules can adhere
  8. Which of the following lists ranks these molecules in the correct order by size?
    • protein, sucrose, glucose, water
    • Water has only three atoms; it must be at the beginning or end of this ranking
  9. The peptide bond is _____.
    a covalent bond
  10. What is a pyrimidine? What is a purine?
    • Pyrimidine: One of two types of nitrogenous bases found in nucleotides. Cytosine (C), thymine (T), and uracil (U) are pyrimidines.
    • Purine: One of two types of nitrogenous bases found in nucleotides. Adenine (A) and guanine (G) are purines.
  11. Glycosidic Linkage
    A covalent bond formed between two monosaccharides by a dehydration reaction.
  12. A fatty acid chain consists of a....
    Carboxlyic Acid
  13. Starch
    A storage polysaccharide in plants consisting entirely of glucose.

    Image Upload 1
  14. Cellulose
    • A structural polysaccharide found in cell walls consisting of glucose monomers joined by Beta 1-4 glycosidic linkages
    • Image Upload 2
Card Set
AP BIO chapter 5 review
lipids, carbohydrates, proteins, nucleic acids