Posted in P2 SBI4U Biology

SBI4U Homework

  • Watch the atherosclerosis animation over and over to prepare for Thursday
  • Read and summarize the trehalose article so you are ready for Thursday
  • Fats or Oils?

    a) If you had a sample made from the saturated triglyceride in the note, would it be a fat or an oil? Justify your response based on your knowledge of intermolecular forces.

    b) If you had a sample made from the cis-unsaturated triglyceride in the note, would it be a fat or an oil? Justify your response based on your knowledge of intermolecular forces. (Use the TPEE writing process to construct thorough and accurate answers and include simple drawings in your answers).

Posted in P2 SBI4U Biology

SBI4U Using a sugar to treat atherosclerosis – Article Activity

Type of sugar may treat atherosclerosis, mouse study shows: Trehalose triggers cellular housekeeping in artery-clogging plaque

Please read and summarize this article. We will be doing an in-class, online, open-book quiz on it, concepts within it and atherosclerosis itself (from the medical animation we watched. In your summary notes, find definitions to new terms you have not heard before.

This activity will be done on Thursday and counts towards your Thinking & Inquiry and Application Categories.

Posted in P2 SBI4U Biology

SBI4U Unit Test 1: March 3 – Chem Review and The Carbs Note

  • Electronegativity and type of intramolecular bond
  • Partial charges on polar covalent bonds
  • Polarity categories for biological covalent bonds: C-C, C-H, C-N, C-O, P-O, N-H, O-H
  • Functional Groups
  • VSEPR Theory
  • Bond Polarity
  • Understanding and Classifying Intermolecular Forces
  • Intermolecular Forces and physical properties – states of matter, boiling points, viscosity
  • anabolic vs catabolic reactions
  • carbohydrate terminology – monosaccharides, disaccharides, oligosaccharides, polysaccharides, glycosidic linkages, triose, pentose, hexose, aldose versus ketose
  • isomers, structural isomers vs stereoisomers
  • alpha-glucose versus beta-glucose
  • glycosidic linkage encoding (e.g. alpha1-4 versus beta1-4)
  • polysaccharides – amylose, amylopectin, cellulose, chitin, glycogen