all together

Cards (74)

  • What is the building block of lipids?
    Fatty acids
  • Which of the following is NOT a function of lipids?
    Enzyme catalysts
  • Which lipid type is the main component of cell membranes?
    Phospholipids
  • Which of the following is a lipid with four interconnected carbon rings?
    Steroid
  • What is the basic unit of triglycerides?
    Glycerol + 3 fatty acids
  • A fatty acid with one double bond is classified as?
    Monounsaturated
  • Plant oils at room temperature are usually?
    Unsaturated
  • Which fatty acid is an omega-3?
    Linolenic acid
  • Which bond connects fatty acids to glycerol?
    Ester
  • What is the hydrophobic part of a phospholipid?
    Fatty acid tail
  • Which is NOT a lipid?
    Cellulose
  • The amphipathic nature of phospholipids means?
    They have hydrophobic and hydrophilic regions
  • Which of the following increases membrane fluidity?
    Unsaturated fats
  • Lipids yield how many kcal/g upon oxidation?
    9 kcal/g
  • The backbone of a phospholipid is usually?
    Glycerol
  • Waxes are made of?
    Long-chain alcohols + fatty acids
  • Which lipid serves as a precursor for vitamin D?
    Cholesterol
  • Which of these fatty acids is essential?
    Linoleic acid
  • Which type of fatty acid lowers melting point most?
    Cis-unsaturated
  • A lipid storing the most energy is?
    Triacylglycerol
  • Glycolipids are lipids containing?
    Sugars
  • Which is a sphingolipid?
    Cerebroside
  • Omega-3 and omega-6 fatty acids are named based on?
    Methyl end double bond position
  • Lipids are hydrophobic mainly because they consist of?
    Carbon and hydrogen
  • What is the building block of proteins?
    Amino acids
  • At physiological pH, amino acids exist as?
    Zwitterions
  • Which amino acid is an imino acid?
    Proline
  • Essential amino acids are?
    Not synthesized by the body
  • Which group defines amino acid polarity?
    Side chain (R group)
  • Which amino acid contains a sulfur group?
    Cysteine
  • Which amino acid can form disulfide bonds?
    Cysteine
  • Which is NOT a polar amino acid?
    Valine
  • Which amino acid is aromatic?
    Phenylalanine
  • Which amino acid is the simplest?
    Glycine
  • Which amino acid is semi-essential?
    Arginine
  • Which amino acid has an indole ring?
    Tryptophan
  • Which amino acid acts as a neurotransmitter precursor?
    Tyrosine
  • Histamine is derived from?
    Histidine
  • Which amino acid is used in urea cycle intermediates?
    Ornithine
  • The average molecular weight of an amino acid is?
    113 Da