Answer:
The correct answer is: proteins.
Explanation:
Glucose pass through a cell membrane thanks to specific protein transmitters (also called channel protein) that allows the transport of substances through the membrane. These transmitters help in moving substances in or out of the cell.
This type of diffusion occurs thanks to ATPs, as glucose is the too large molecule to be transported by simple diffusion.
Answer:
No we are not
Explanation:
It has been proven that there may be life on other planets by NASA. There is water on mars and earth. When there is water on earth and life why can't there be on mars.
I believe it’s both a concrete and abstract noun, although I may be wrong
