Organization of Contractile Elements: Actin and Myosin Filaments, Crossbridges, Sliding Filament Model
In the sliding filament model, the actin and myosin filaments pass each other, forming cross-bridges…
Shannon
Functions in Thermoregulation
One function of the integumentary system is thermoregulation, the process that allows the body to…
Physical Protection
The skin provides an overlaying protective barrier from the environment and pathogens while contributing to…
Stereochemistry of Covalently Bonded Molecules
Isomers are molecules that have the same molecular formula but have a different arrangement of…
Multiple Bonding
Atoms may form multiple bonds (single, double, and/or triple) depending on he number of valence…
Sigma and Pi Bonds
Sigma (σ) and Pi (π) bonds form in covalent substances when atomic orbitals overlap. A…
Structural Characteristics of Striated, Smooth, and Cardiac Muscle
Muscle tissue is classified into three types according to structure and function: striated (skeletal), smooth,…
Partial Ionic Character
If the electronegativities of two atoms in a polar covalent bond differ vastly, the bond…
Lewis Electron Dot Formulas
A Lewis electron dot diagram (or electron dot diagram or a Lewis diagram or a…
Covalent Bonds
A covalent bond is a type of chemical bond where two atoms are connected to each…