World · Bio/Biochem + Chem/Phys
Biochemistry
Amino acids, enzymes, DNA and the metabolism maps everyone pretends to have memorized.
0 of 46 skills started0% mastered
Unit 1 · 6 skills
Amino Acids and Proteins
Building blocks, peptide bonds and how proteins fold.
Start
Amino acid structure and classification
Amino acid charge and pI
Peptide bonds and hydrolysis
Primary to quaternary structure
Folding, denaturation and stability
Nonenzymatic protein functions
Unit boss
Unit 2 · 4 skills
Enzymes
How enzymes speed things up, and how we slow them down.
Locked
Enzyme classes and catalysis
Michaelis-Menten kinetics
Enzyme inhibition
Allosteric and covalent regulation
Unit boss
Unit 3 · 4 skills
Carbohydrates and Lipids
Sugars, fats and the molecules built from them.
Locked
Monosaccharides and stereochemistry
Disaccharides and polysaccharides
Lipid structure and types
Steroids and lipid signaling
Unit boss
Unit 4 · 4 skills
DNA and RNA
Nucleotides, the double helix and keeping the genome intact.
Locked
Nucleotide structure
The DNA double helix
DNA replication
DNA repair and mutation
Unit boss
Unit 5 · 5 skills
Gene Expression
From gene to protein, and how cells decide what to make.
Locked
Transcription
RNA processing
Translation
Prokaryotic gene regulation
Eukaryotic gene regulation
Unit boss
Unit 6 · 4 skills
Biotechnology and Lab Techniques
PCR, gels, blots and cloning.
Locked
PCR and DNA amplification
Gel electrophoresis
Southern, Northern and Western blots
Cloning and recombinant DNA
Unit boss
Unit 7 · 5 skills
Membranes and Transport
What gets in, what gets out, and what it costs.
Locked
The fluid mosaic model
Diffusion and osmosis
Active transport and pumps
Membrane potential
Membrane receptors and signaling
Unit boss
Unit 8 · 4 skills
Glycolysis, Krebs Cycle, and Electron Transport
Turning glucose into ATP, step by step.
Locked
Glycolysis
Pyruvate oxidation and the Krebs cycle
The electron transport chain
Oxidative phosphorylation and ATP yield
Unit boss
Unit 9 · 6 skills
Glycogen, Fats, and Other Pathways
Storage, backup fuels and the pathways in between.
Locked
Glycogen metabolism
Gluconeogenesis
The pentose phosphate pathway
Fatty acid oxidation
Ketone bodies
Amino acid breakdown
Unit boss
Unit 10 · 4 skills
Metabolic Regulation
Hormones, fed and fasting states, and who burns what.
Locked
Insulin, glucagon and hormones
Fed and fasting states
Tissue-specific metabolism
Metabolic disorders
Unit boss
Final boss · Timed
Biochemistry final boss
Beat every unit boss in this world to unlock a timed mini-section.