Which of the following transport mechanisms utilizes energy?
a. osmosis
b. endocytosis
c. diffusion
d. facilitated diffusion

The correct answer is B) Endocytosis.

Endocytosis can be defined as the uptake of large molecules by a cell that requires energy of the cell. Therefore, it is an energy consuming process.

Example- Ingestion of bacteria by macrophages is an energy consumig process and described under endocytosis.

On the other hand, osmosis ( diffusion of water), diffusion, and facilitated diffusion ( requiring carrier proteins) are all passive phenomenon that do not require energy.

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

allowed for the prediction of the properties of missing elements.