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What you need to know for AP Bio Unit 1

⚡️ Live Stream Replay – Unit 1 Review Part I
⚡️ Live Stream Replay – Unit 1 Review Part II

Here’s an organized outline for ap bio unit 1 reviews. This outline has been adapted from the 2019 course description published by College Board. You can use this to build an ap bio unit 1 study guide.

🚩 We’re live every week with AP Bio reviews! Hosted by amazing teachers who can answer your every question. Check the calendar for upcoming (and free!) AP Bio reviews on these topics. We’ll link the replays as they are posted!

Structure of Water and Hydrogen Bonding

⚡️ Live Stream Replay – Structure of Water & Hydrogen Bonding

  • The sequence and make up of all molecules determine the property of that molecule.
  • Water is a unique molecule that is polar due to an unequal distribution of charge. The properties of water and essential to the existence of life on earth.
  • Water is able to form hydrogen bonds with other water molecules due to its polarity, and this contributes to the properties of cohesion, adhesion, and surface tension.

Elements of Life

⚡️ Live Stream Replay – Elements of Life

  • The elements of life are organized on the periodic table.
  • The elements most common to biological molecules are carbon, nitrogen, hydrogen, oxygen, and phosphorus.

Introduction to Biological Macromolecules

⚡️ Live Stream Replay – Introduction to Biological Macromolecules

  • All living organisms are made up of proteins, lipids, carbohydrates, and nucleic acids.
  • Monomers are bound together in order to form these polymers.
  • Hydrolysis and dehydration synthesis are used to cleave and form covalent bonds between monomers

 

Properties of Biological Molecules

⚡️ Live Stream Replay – Properties of Biological Molecules

  • The way in which a polymer is assembled contributes to the overall function of that polymer. This includes:
    • Nucleotides in nucleic acids, the amino acid order in proteins, sugar monomers in carbohydrates, and the saturation of lipids

 

Structure and Function of Biological Molecules

⚡️ Live Stream Replay – Structure & Function of Biological Molecules

  • Amino acids may be polar, nonpolar, sulfur-containing, acidic, or basic. The function of a protein depends on what amino acids make up a protein.
  • The order of nucleotides in DNA make up its genetic code. DNA is antiparallel, forms a double helix, and contains hydrogen bonds between nucleotides.
  • Lipids are nonpolar and hydrophobic. The presence of double bonds in lipids contributes to whether or not it is a saturated or unsaturated fat and contributes to its function.
  • Carbohydrates are broken down to make energy. The complexity of the carbohydrate structure determines the amount of energy needed to break it down.

 

Nucleic Acids

⚡️ Live Stream Replay – Nucleic Acids

  • DNA and RNA are similar structures with the exceptions of a few key differences.
    • DNA is usually double stranded whereas RNA is usually single stranded.
    • DNA has a deoxyribose sugar, whereas RNA has a ribose sugar.
    • DNA has thymine, adenine, cytosine, and guanine, whereas RNA replaces thymine with uracil.

 

Unit 1 Vocab

  • Macromolecule
  • Lipid
  • Fatty acid
  • Carbohydrate
  • Monosaccharide
  • Polysaccharide
  • Peptide bond
  • Amino acid
  • Nucleic acid
  • Nucleotide
  • Sugar-phosphate bond
  • Ribose
  • Deoxyribose
  • Hydrogen bond
  • Polar
  • Nonpolar
  • Cohesion
  • Adhesion
  • Surface tension
  • Hydrolysis
  • Dehydration synthesis
  • Monomer
  • Polymer
  • Phospholipid
  • Semiconservative replication

 

⚡️ Live Stream Replay – Unit 1 Review Part I
⚡️ Live Stream Replay – Unit 1 Review Part II

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