Answer:
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
Explanation: can u give me 5 stars?
Subjective.
Explanation:
A medical note follows a SOAP format i.e. the parts are Subjective, Objective, Assessment and plan.
The first part of the note is subjective and it involves gathering information from the patient about the onset of symptoms, location of symptons, any history etc.
The second part is objective which involves the determination or evaluation of symptoms which could be seen, heard or felt.
The third part involves assesment of symptoms and crude diagnosis of the ailment.
The fourth part involves the plan to treat the patient. Any further diagnosis,if recommended etc.
An exposure to sarin or sarin like chemical will caused the sarcoplasmic reticulum to be continuously stimulated by the continual electrical signal. This will open the calcium channels and allows the calcium ions to bind continuously with troponin. Sarin is an organophosphorus chemical which is highly poisonous. It is used as a chemical weapon of destruction.
This is a physics question, not biology, but...
f=1/T where f is frequency and T is the period.
f= 1/(1/3)=3
frequency =3 Hz
