Transport of a compound across a cell membrane (down a concentration gradient) was measured at several concentrations. The presence or absence of ATP had no effect on the transport of this compound. ... Why are the lipid bilayers in cells called "selectively permeable"? They are permeable to some substances but not others.
Answer:
A natural resource is something found naturally that can be used by humanity to accomplish tasks. For example, wood is a natural resource as its found in nature and can be used by humanity for building and making fire for food and heat.
Explanation:
The movement of molecules from a high concentration to a low concentration is called:
diffusion
Answer:
C. Carbon, nitrogen
Explanation:
Nucleic acids contain C, H, O, N, and P. Amino acids contain C, H, O, and N (no phosphorous).
Answer:
Isaac Newton's 1666 experiment of bending white light through a prism demonstrated that all the colors already existed in the light, with different color "corpuscles" fanning out and traveling with different speeds through the prism.
