Question

Which of the following processes cause substances to move across membranes without the expenditure of cellular energy?
a)endocytosis b)active transport
c)diffusion d)none of the above

Answer 1

Answer:

c)diffusion

Explanation:

Hope it helps you

Answer 2

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Diffusion:

• Gases have a tendency to occupy all the available space.

• When two non -reactive gases are allowed to mix, the gas molecules migrate from region of higher concentration to a region of lower concentration.

• This property of gas which involves the movement of the gas molecules through another gases is called diffusion.