Question

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Define the following :-

1. Plasma membrane

2. Øptic nerve

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Answer 1

Answer:

plasma membrane

a microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or encloses a vacuole, and regulates the passage of molecules in and out of the cytoplasm.

optic nerve

each of the second pair of cranial nerves, transmitting impulses to the brain from the retina at the back of the eye.

Answer 2

Answer:

Hello❤!!

Plasma Membrane:

✍The outermost extremely delicate elastic membranes covering of the cell that separates content from the external environment is called plasma membrane or cell membrane .

Optic Nerve:

✍The optic nerve is located in the back of the eye. It is also called the second cranial nerveor cranial nerve II.

Thanks❤!!