BMI
Body Mass Index (BMI)
BMI = weight (kg) / [height (m)]²
A measure of body fat based on weight and height. It helps determine whether a person is underweight, normal weight, overweight, or obese.
ExploreCell Biology
Surface Area to Volume Ratio
SA:Volume ratio is critical for diffusion efficiency in cells.
Explains why cells are small; affects nutrient exchange and waste removal.
ExploreGenetics
Punnett Square
Used to predict genotype combinations for offspring.
A diagram used to predict the probability of different genotypes in offspring based on the genotypes of their parents.
ExplorePopulation Ecology
Ecology
Logistic Growth Equation
dN/dt = rN(1 - N/K)
Models population growth considering limiting factors and carrying capacity.
ExploreBiochemistry
Michaelis-Menten Equation
v = (Vmax [S]) / (Km + [S])
Describes the rate of enzyme-catalyzed reactions.
ExploreHenderson-Hasselbalch Equation
pH = pKa + log([A-]/[HA])
Relates pH, pKa, and concentrations of acid and conjugate base in a buffer solution.
ExploreBioenergetics
Photosynthesis Equation
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Summarizes the process by which plants convert light energy into chemical energy.
ExploreEvolutionary Biology
Hardy-Weinberg Equilibrium
p² + 2pq + q² = 1
Describes the conditions under which allele and genotype frequencies in a population will remain constant from generation to generation.
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