HUNTERTUTORING

Biochemistry I

Undergraduate · Chemistry

Syllabus focus

Standard syllabus · STEM / applied

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$60.00 · 60 min · Undergraduate · Online ($60/hr)

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Topics typically covered

Standard syllabus

Amino acids and protein structure

  • Amino acid structure, classification, and ionization
  • Peptide bond formation and protein primary structure
  • Secondary structure: α-helix, β-sheet, turns
  • Tertiary structure: hydrophobic core, disulfide bonds, salt bridges
  • Quaternary structure and oligomeric proteins
  • Protein folding, chaperones, and misfolding diseases
  • Methods for protein structure determination: X-ray, NMR, cryo-EM (intro)
  • Protein denaturation and stability: urea, heat, pH
  • Post-translational modifications: phosphorylation, glycosylation
  • Fibrous vs globular proteins: collagen, hemoglobin overview

Enzyme kinetics and mechanism

  • Enzyme classification and active site concepts
  • Michaelis–Menten kinetics: Km and Vmax
  • Lineweaver–Burk and Eadie–Hofstee plots
  • Enzyme inhibition: competitive, noncompetitive, uncompetitive
  • Allosteric regulation and cooperativity
  • Catalytic mechanisms: acid-base, covalent, metal ion catalysis
  • Cofactors and coenzymes: NAD⁺, FAD, PLP
  • Enzyme specificity and induced fit model
  • Transition state stabilization and catalytic efficiency
  • Regulatory enzymes in metabolic pathways

Carbohydrates and lipids

  • Monosaccharide stereochemistry: Fischer and Haworth projections
  • Glycosidic bonds and disaccharides
  • Polysaccharides: starch, glycogen, cellulose
  • Glycoproteins and proteoglycans (introduction)
  • Fatty acid structure and nomenclature
  • Triacylglycerols, phospholipids, and sphingolipids
  • Membrane structure: fluid mosaic model
  • Lipid rafts and cholesterol in membranes
  • Eicosanoids and signaling lipids (overview)
  • Lipoproteins and cholesterol transport (intro)

Bioenergetics and introductory metabolism

  • Free energy in biochemical reactions
  • ATP as energy currency: high-energy phosphate bonds
  • Oxidation-reduction in metabolism: NADH, FADH₂
  • Glycolysis: steps, regulation, and energy yield
  • Gluconeogenesis and reciprocal regulation
  • Pentose phosphate pathway
  • Citric acid (Krebs) cycle: reactions and regulation
  • Electron transport chain and oxidative phosphorylation
  • Mitochondrial structure and chemiosmotic theory
  • Metabolic compartmentation and organelle roles

STEM / applied

Laboratory and analytical biochemistry

  • Protein purification: chromatography, electrophoresis, centrifugation
  • SDS-PAGE and Western blotting (introduction)
  • Spectrophotometric protein assays: Bradford, BCA
  • Enzyme activity assays and kinetic data analysis
  • Buffer preparation for biochemical experiments
  • pH and ionic strength effects on enzyme activity
  • Dialysis, ultrafiltration, and concentration methods
  • Safe handling of biological samples and biohazards
  • Recombinant protein expression overview
  • Data presentation for biochemical experiments

Applied biochemistry

  • Clinical biochemistry: blood panels and biomarkers
  • Pharmaceutical enzyme targets and drug design (intro)
  • Industrial enzymes: detergents, food processing
  • Metabolic diseases: diabetes, PKU, lysosomal storage disorders
  • Sports biochemistry: energy systems and nutrition
  • Agricultural biochemistry: nitrogen fixation, photosynthesis efficiency
  • Biotechnology products: insulin, vaccines, monoclonal antibodies
  • CRISPR and genetic engineering (biochemical perspective)
  • Nutritional biochemistry: vitamins and minerals as cofactors
  • Case studies linking structure to disease mechanism

Notes

Typically the first semester of a two-semester biochemistry sequence. Topics reflect common Biochemistry I syllabi at US universities (Lehninger, Voet, Garrett). Prior organic chemistry and general chemistry background required.