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3 years ago

Whole brain death occurs when the ______ ceases to function.

Biology

2 answers:

Anton [14]3 years ago

5 0

Answer:

Whole brain death occurs when the brainstem ceases to function.

Hope this helps

xz_007 [3.2K]3 years ago

3 0

Answer:

Whole brain death occurs when the BRAINSTEM ceases to function.

Explanation:

In the US, whole brain death = legal death. Most people consider that a person is brain dead when the cerebrum, or the higher brain, is dead because the person is not able to think or have control over his/her body, but legally you are brain dead only when the brainstem ceases to function. The brainstem is responsible for keeping you alive and performing the most basic bodily functions like breathing and keeping your heart beating. But once it fails, you are legally dead. Even if your body could still survive using a ventilator and other devices, your brain has ceased to work and you wouldn't be able to survive if you were unplugged.

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The electric signal for a contraction passes rapidly from one heart muscle cell to the next by way of

malfutka [58]

Answer;

-Gap junctions

Explanation;

-Gap junctions are a specialized intercellular connection between a multitude of animal cell-types. they are organized collections of protein channels in cell membranes that allows ions and small molecules to pass between adjacent cells.

-Gap junctions allow the exchange of ions, second messengers, and small metabolites between adjacent cells and are formed by two unrelated protein families, the pannexins and connexins.

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3 years ago

What best describes errors and periods?

blondinia [14]

Answer:

A forecast with a large cumulative sum of forecast errors

Explanation:

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3 years ago

Estrogens from the vesicular follicle trigger an LH surge from the anterior pituitary. This is an example of: Estrogens from the

brilliants [131]

Answer:

The correct answer is: positive feedback.

Explanation:

Positive and negative feedback are terms that are used to define the way a system is regulated by its products. For example, when the production of a certain substance inhibits its producer that is called negative feedback. On the other hand, when a substance stimulates its producer to keep secreting said substance, this is called positive feedback.

Estrogen is a hormone of great importance in the female reproductive cycle and is secreted by the follicle cells in response to the presence of FSH (follicle-stimulating hormone), released by the anterior pituitary when stimulated by the GnRH (gonadotropin-releasing hormone).

Estrogen appears at the beginning of the cycle to stimulate the development of the ovarian follicles, and the hormone levels continue to rise as the cycle advances. Up until the 14th day of the cycle, estrogen has a negative feedback on GnRH and FSH, but then it makes an abrupt change to now exert positive feedback on GnRH to stimulate the release of LH (luteinizing hormone), which will be responsible for ovulation.

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3 years ago

Competition is a driving force behind natural selection. Which of these statements best describes why competition is a constant

kramer

Answer:

Explanation:

Remember that a niche is an inhabited areas where organisms essentially behave a little like humans each filling their own individual role. These aren't extremely common to find but the whole concept of it is that these organisms will function peacefully and trying to help one another survive. C is correct because with minimal resources you will lose that sense of tranquility and now fight it out for who is the fittest for the environment

Hope this helps!

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3 years ago

What is the function of NADPH? NADPH, or nicotinamide.

Illusion [34]

Answer: The main function of NADH is the formation of energy in the form of Adenine tri phosphate (ATP).

Explanation:

In ATP production, the transfer of electron occurs by the NADH molecule. It also necessary for the reaction that occurs in the storage of energy molecules. NADH stands for nicotinamide adenine dinucleotide hydrogen. It produces energy through oxidation reduction reaction.

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3 years ago