Science | Senioritis

Mohamed Abbas
June 21, 2023
Biophysics

Transporters vs Channels: Differences in Solute Transport through Biological Membranes.

Compare how transporters and channels discriminate among solutes, moving only a select subset across the membrane. Channels open for certain sizes Transport bind so they are more...

Mohamed Abbas
June 21, 2023
Biophysics

Differences Between Active and Passive Membrane Transport Mechanisms

Distinguish between active and passive transport, and indicate which type of membrane transport protein carries out each. Passive: no energy used; channel or transporterActive: energy of ATP...

Mohamed Abbas
June 21, 2023
Biophysics

Passive Transport: Forces Governing the Movement of Solutes Across a Cell Membrane

Review the forces that govern the passive transport of charged and uncharged solutes across a cell membrane. uncharged solutes: concentration gradient Charged solutes: concentration gradient and the...

Mohamed Abbas
June 21, 2023
Biophysics

Electrochemical Gradient of Sodium and Potassium Ions in Cells

Compare the electrochemical gradients for sodium and potassium ions, and recall how the membrane potential and concentration gradient for each ion combine to influence its movement across...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

The Dynamics of Flight | Four Forces Acting on an Airplane

What are the four dynamic forces that act on an airplane during all maneuvers? (FAA‑H‑8083‑25) Lift—the upward acting force. Gravity—or weight, the downward acting force. Thrust—the forward...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Steady, Unaccelerated Flight in Airplanes.

What flight condition will result in the sum of the opposing forces being equal? (FAA‑H‑8083‑25) In steady-state, straight-and-level, unaccelerated flight, the sum of the opposing forces is...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Exploring the Science of Airfoils: The Key to Flight with Examples of Wings, Helicopter Rotors, Propeller Blades, and Turbine Blades

What is an airfoil? State some examples. (FAA‑H‑8083‑25) An airfoil is a device which gets a useful reaction from air moving over its surface, namely LIFT. Wings,...

Mohamed Abbas
June 21, 2023
Mechanical Engineering

Importance of Angle of Incidence in Aircraft Aerodynamics

What is the angle of incidence? (FAA‑H‑8083‑25) The angle of incidence is the angle formed by the longitudinal axis of the airplane and the chord of the...