A fat-soluble vitamin, vitamin A, is moving down its concentration gradient into a cell. What type of membrane transport is responsible for its movement? Describe this process
What will be an ideal response?
Vitamin A is moving via simple diffusion, a type of passive transport. Passive transport requires no energy input from the cell. Vitamin A is moving from an area where it is more concentrated to an area where it is less concentrated. This vitamin is moving without assistance through the plasma membrane.
You might also like to view...
The ____________________ vertebra is called the axis.
Fill in the blank(s) with the appropriate word(s).
Smooth muscle is voluntary muscle.
Answer the following statement true (T) or false (F)
Which is not a required factor in the intrinsic clotting mechanism?
a. calcium ions b. factor XII c. platelet factor 3 d. factor VII e. factor XI
The palpebrae are connected at the
A) eyelids. B) lateral and medial angles of the eye. C) lacrimal caruncle. D) medial canthus only. E) conjunctiva.