Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.
Answer:
C
Explanation:
Hyphae is the vegetative growth of fungi.
it is long and filamentous in nature and is
analogous to the rhizoids of runner plants. A
network of many crisscrossing hyphae is called
mycelium, When a hyphae branches vertically
upwards to give rise to a sporanguim, it is
called sporangiophore (such as the case in
the attached diagram
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Continental polar air mass this is the type of mass that come from northern Canada
Answer:
Option (3)
Explanation:
The continental crust is usually thick because it has an average thickness of about 35-40 km. In the high mountain ranges, it is the thickest, forming about 80 km on an average. These are formed when two continental plates form a sandwich pattern by sharing a convergent type of plate boundary.
For example, the thickest part of the crust is the Mt. Everest which lies in the great Himalayan range, which has started to form about 50 million years back. It is geologically the most recent mountain range.
The older mountains are continuously eroded in the geological past, as a result of which the height of the mountains is affected.
Thus, the correct answer is option (3).
Answer:
b
b
c
b
Explanation:
SEE THE IMAGE FOR SOLUTION
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