Cell Membrane And Cell Excitation Flashcards
1
Q
How much of the water inside a person is in the intercellular fluid
A
Around 2/3
2
Q
How many dendrites does a nerve cell usually have
A
Between 5 and 7
3
Q
What do local anesthetics usually block
A
Na+ channel proteins preventing them from opening so depolarisation cannot occur
4
Q
How large are vesicles normally
A
Around 40-50nM but can have over 10,000 acetylcholine molecules contained within
