Active transport and facilitated diffusion are two types of cellular transport. Which statement is true of both? Question 9 options:

Both involve proteins in the cell membrane.

Both require ATP.

Both move materials down a concentration gradient.

Both occur on only one direction.

The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

What is the most important inorganic material for livings things? ! due tomorrow!

In which part of the body is a ball-and-socket joint found?