7. The "tails” of phospholipids are nonpolar; therefore, they do not readily interact with charged particles such as ions. How can this explain why facilitated diffusion is necessary for the transport of ions such as Nat and K across the cell membrane? In other words, why would these ions not cross by simple diffusion?

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone