Answer:
Integrins.
Explanation:
Integrins may be defined as the important protein that helps in the attachment of cell cytoskeleton to the extracellular matrix. These proteins play an important role in the cell communication.
The signals and the communication occurs between the cell and the extracellular matrix. They work as the adhesion receptor for the different extracellular ligands and transfer the biochemical signal in the cell by using the downstream effector protein. Hence, they can transmit the information between inside and outside of the cell.
Thus, the answer is integrin.
Answer:
Mitosis occurs in response to the body's need for growth and repair. Generally, it occurs in all tissues except mature nerve tissue and in the formation of gametes.
Explanation:
The net movements of molecules of gasses and particles from a region of higher concentration to the region of lower concentration based on diffusion gradients without a separating medium is called Diffusion.
Osmosis is the movement of water molecules from the region from a region of higher water potential to that of lower water potential across a separating medium of semipermeable membrane.
Because of exposure of the lettuce to sunlight, there is rapid diffusion of water molecules from the cells of the lettuce on the sunny day than into the cells from the environment. Because the turgor pressure has dropped to zero, so water molecules diffuse from the region of higher water potential (the cells of the lettuce) to region of lower (sounding air). This results to shrinking of the cells, called witting.
However, as she waters the lettuce, water molecules diffuses into the cell and move up the cells through osmosis, the water molecules makes the lettuce cells turgid. The turgor pressure has returned to normal . This explains the firmness.
Water diffuses into the vacuole which has capacity to store water. The presence of water increases vacuole's volume which expands through osmosis, and therefore changes it shape. The changes in shape leads to firmness.
Ms. Milly can keep the stalk of the lettuce in flower pot filled with water. The continues to keep the cells of the lettuce turgid, by replacing the lost water through diffusion into the sunny environment to prevent wilting,
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B) It receives processed information from the brain, causing the muscles of the arm and hands to remove the mosquito from the arm.<span>
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The if given the base sequence for one strand: 5'-AGGTCCG-3', the complimentary strand must have the sequence: 3'-TCCAGGC-5'. This ensures that A only pairs with T, and C only pairs with G.