Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Biomechanics

Force: Definition, Types, and Units of Measurement in Science

force a push or a pull exerted by one object on another object force is defined as any interaction that, when unopposed, will change the motion of...

Mohamed Abbas
June 21, 2023
Biomechanics

Importance of Force Pairs in Biomechanics: Applying Newton’s Third Law of Motion

force pairs equal in size but act in opposite direction on each object Force pairs, also known as action-reaction pairs, are pairs of forces that occur when...

Mohamed Abbas
June 21, 2023
Biomechanics

Force Measurement Units: Exploring Pound and Pound-Force (lbf)

english unit for force pound The English unit for force is pound (lb) or pound-force (lbf). More Answers:...

Mohamed Abbas
June 21, 2023
Biomechanics

Characteristics of Forces: Magnitude, Direction, Point of Application, Line of Action, Time and Type

characteristics of a force magnitude, direction, point of application Here are some characteristics of a force: 1- Magnitude: A force is characterized by its magnitude, which is...

Mohamed Abbas
June 21, 2023
Biophysics

Overcoming the Hydrophobic Barrier: Transport of Water-Soluble Molecules and Ions Across a Lipid Bilayer

Recall why water-soluble molecules and ions have difficulty crossing a lipid bilayer. ions are least permeable. Only transported through channel or transporter Water soluble molecules are semi...

Mohamed Abbas
June 21, 2023
Biophysics

Passive Transport: Simple Diffusion vs Facilitated Transport Mechanisms

Distinguish between simple diffusion and facilitated transport. Simple diffusion: moves down the concentration gradient (example nonpolar molecules can do this)Facilitated transport: materials move down concentration gradient with...

Mohamed Abbas
June 21, 2023
Biophysics

Optimizing Solute Diffusion: Properties Governing Lipid Bilayer Permeability

Review the properties that govern the rate at which a given solute can cross a protein-free lipid bilayer. depends on size + solubility: small, non polar, hydrophobic...

Mohamed Abbas
June 21, 2023
Biophysics

Differences between Membrane Transport Proteins: Transporters vs. Channels

State the function of membrane transport proteins and differentiate between transporters and channels. transporter: transfer molecules or ions that fit. Specificity Channel: passageway for certain hydrophilic molecules...