Why are membrane receptor proteins often used to transfer information from the cell's environment to its interior

Are the earth's ocean floor and continents the same age geologically? why or why not?

Why are some places regularly warmer or cooler than others in a given month

Select all the offspring phenotypes that could be produced from a bbee x bbee cross (shown above). black fur, red eyes black fur, black eyes white fur, black eyes white fur, red eyes re la heller t est hulle elle l aila el answer : b & c b: black fur ,black eyes c: white fur , black eyes