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.
Answer:
The main step to prepare herbarium sheet are:
Collection and pressing of specimens. Fresh materials are pressed in plant press in herbarium press. ...
Drying of specimens. ...
Mounting of specimens on herbarium sheets. ...
Labeling of specimens. ...
The answer is; 700 degrees Centigrade
This is derived from the Boyle's Law, Charles's Law, and Gay-Lussac Law ideal gas equation that is defined by the formulae; P1V1/T1 = P2V2/T2
Remember the P1 = P2 and V2 = 2*V1 in this case
P1*V1/350 = P1*2V1/T2
T2 = (P1*2V1/350)/ (P1*V1)
T2 = 350*2 =700
Answer:
B
Explanation:
I'm pretty certain the answer is B. I really hope this help's you! Have a lovely day.