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iren [92.7K]
2 years ago
14

To respond to a chemical signal, a cell must have a ? to which the signaling molecule can bind.

Biology
1 answer:
Sphinxa [80]2 years ago
4 0
A cell must have an atom
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The inferior region of the brain stem, the <u>medulla oblongota</u> houses many vital autonomic centers involved in the control of heart rate, respiratory rhythm, and blood pressure.

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The medulla oblongata is the part of the brain that joins the spinal cord and forms the lower part of the brain stem. In the bulb there are ascending (sensory) and descending (motor) fascicles that communicate the spinal cord with the brain, in addition to numerous nuclei or centers (masses of gray matter) that regulate various vital functions. The medulla oblongata has the function of controlling vital and unconscious elements such as the heartbeat and blood pressure. Thus, it is responsible for maintaining the heart rate and regulating vasoconstriction. Also, it manages the control of respiratory function, maintaining it at all times.

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In order to reproduce, an organism must make a copy of this material, which is passed on to its offspring. Some single-celled organisms reproduce by a process called In binary fission, material from one cell separates into two cells.

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hope this helps have a good day :)
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