When you are preparing to view a specimen, how do you initially make sure you will be looking at the part of the slide that has the specimen. you're interested in on it? do you look thru the lenses of the microscope or do you look at the stage and center the specimen without looking thru the lenses?

the answer is: reproductively

i think i spelled it wrong lol

anyways hope i

-lavira: )

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.