Yeah yeah so :D,
Large polar molecules can only cross the membrane with the help of protein named channel protein and carrier protein.
So, this both proteins act like a gate, the large molecules enter the protein and the protein let the large molecules in to the membrane. (see the picture so that you can understand more, its carrier protein)
the only difference between channel protein and carrier protein is, channel proteins has fixed shape while carrier protein can flip.
<span>Low Level Clouds: CUMULUS: Fair weather cumulus clouds form when a parcel of air rises and water vapor condenses into water droplets. ...Middle Level Clouds: ALTOSTRATUS: ...High Level Clouds: CIRRUS: ...<span>Nimbus Clouds: NIMBOSTRATUS:</span></span>
The answer would be D because he extra food would be known as the pith
Saturn is the new best planet they changed it from Jupiter to Saturn
Answer:
C) the phrenic nerve that serves the diaphragm receives its fibers from here
Explanation:
