Answer:
Organic compounds contain carbon and hydrogen (which may be replaced by other atoms).
Move three sodium ions out of a cell and two potassium ions into a cell while consuming an atp for each cycle
Explanation:
By pumping three (3) Na+ to the outside and two (2) K+ to the inside of the cell, there is a net positive charge on the outside leaving the inside of the cell electronegative. This process is achieved by the Na+/K+ pump and is a process that consumes ATP energy.
This is much more important in a neuron cell who ¾ of its energy is used to maintain a -70mV resting potential that is important for the nerve to pass impulse when depolarised.
In other cells, the gradient created in important in maintaining the homeostatic osmolarity inside the cell to avoid swelling and lysis of cells due to uptake of excess water by osmosis. The Na+ gradient is also used to import other molecules into the cell such as glucose and amino acids. These molecules are coupled with Na+ and then are absorbed efficiently as the Na+ flow back inside the cell down the Na+ concentration gradient.
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Answer:
Answer is ii, i ,iv, iii.
Explanation:
The dendritic cell originates from the bone marrow, and enters the tissue as immature dendritic cell by migrating from the bone marrow.
The dendritic cells are antigen - presenting cells, which are called accessory cells, of the mammalian immune system.
Answer:
Prevailing winds influence the precipitation by regulating amount of water vapor in air, direction of wind movement and by making cold and hot air masses to move.
Explanation:
Winds make both hot and cold air masses to move. The hot air rises up with wind and cold air rushes to take its place. The hot air coming from water bodies towards the land carry ample of water vapor and causes precipitation in the region. On the other hand, the air coming from land masses does not have enough water vapor to cause any rains in the region.
