Answer:
Proteins can carry nutrients across the plasma membrane. There are also differnet receptros outside the cell that recieve signals as well as inside the cell.
Explanation:
Atmospheric Fixation. The enormous energy of lightningbreaks nitrogen molecules and enables their atoms to combine with oxygen in the air forming huge nitrogen oxides. These dissolve in rain, forming nitrates, that are carried to the earth.
The correct answer is intensity.
The intensity signifies towards the extent of energy exhausted at the time of performing exercise. The intensity differs with each individual. It has been observed that intensity possess an influence on what fuel the body utilizes and what kind of changes the body makes after performing exercise.
It is the concentration of the physical power, which the body utilizes at the time of doing an activity. For example, the intensity of the exercise illustrates how hard the body has to function to walk a kilometer in twenty minutes.