Answer:
Proteins
Explanation:
There are proteins in the membrane that have channels for large polar molecules to move into or out of the cell since the plasma membrane is made of a phospholipid bilayer where the inside is non polar. This means large polar molecules need help from proteins to cross the plasma membrane.
When can HFC-134a become combustible in a mobile air condition system?
if shop air is used in the system in an attempt to check for leaks
Answer:
Probabbly about 1,000 miles inland of about thr florida georgia line so that the storm surges dont knock it out but they still can see the storm to warn the people in time.
Explanation:
Answer:
the inner most layer of the earth is known as the core it is divided into inner core and outer core . it comprises of a high concentration of nickel and iron. here is your answer thanku