Chemotaxis is movement of a motile cell or organism, or part of one, in a direction corresponding to a gradient of increasing or decreasing concentration of a particular substance.
Answer:
The density of water increases as the salinity increases. The density of seawater (salinity greater than 24.7) increases as temperature decreases at all temperatures above the freezing point. The density of seawater is increased by increasing pressure
Answer:
Stem cells has a great contribution in order to maintaining homeostasis in the body because stem cells are produced rapidly and sent to the sites of the body where cells are old or get damaged maintain stability in the body.
Explanation:
Stem cells are specially type of cells which has the ability to change their structure according to the cell needed by the body. If brain cells are damaged, stem cells change their shape according to the brain cells and perform their functions by replacing the damage cells.
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The structural feature in a molecule necessary for a gas to absorb IR radiation is: a net change in dipole moment due to the vibration or rotation of the molecule.
IR radiation is the infrared radiation. In the electromagnetic spectrum, its value ranges from 700 nanometers to 1 millimeter. The waves are longer than that of visible light and shorter than the radio waves. The waves are not visible to the human eye.
Dipole moment is a vector quantity. It is equal to the charge of the molecules multiplied by the distance between the two charges. In a dipole there is a positive charge at one end and a negative at the other. The direction is considered from negative to positive.
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