A group of scientists is studying the internal parts of a cell. Which microscope is most appropriate for these scientists to use?

Explanation:

Electron microscopes have high range of magnification and resolution, the tiniest structures of cells and organelles can be viewed through the microscope. Scientists use it for biomedical research.

d.

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the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.