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MaRussiya [10]
2 years ago
12

Which types of cells do not reproduce and, if damaged by injury or disease, are lost forever?

Biology
1 answer:
Bezzdna [24]2 years ago
7 0

The lack of centrioles in nerve cells prevents them from undergoing mitosis and meiosis, which prevents them from dividing. Nerve cells do not divide throughout their lives and do not lengthen without doing so.

<h3></h3><h3>What is nerve cells?</h3>

The central nervous system is constantly receiving information about the external and internal environment (in the form of sequences of action potentials) from nerve cells, also known as neurons.

Nerve cells are “excitable” cells that may convert a range of stimuli into electrical impulses (CNS). Despite the complexity of the nervous system, neurons and glial cells are the only two types of nerve cells that make up nervous tissue.

The structural and operational components of the nervous system are called neurons. Nerve impulses are electrical signals that are transmitted by them. Neuronal support is provided by glial cells.

Therefore, nerve cells do not reproduce and, if damaged by injury or disease, are lost forever.

Learn more about nerve cells here:

brainly.com/question/15642720

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ser-zykov [4K]

What your cells have to help overcome a problem of high activation energy are called enzymes. Enzymes are proteins that lower the activation energy of a reaction. In doing this, enzymes increase the rate of a reaction, helping it to occur faster. However, enzymes are not consumed in a reaction; they simply help it to occur.

Enzymes make things easier for your cells to work properly and help chemical reactions occur. There are hundreds of different kinds of enzymes in your cells, which all participate in different types of reactions. Enzymes can break molecules apart, build or add molecules, and even rearrange them.

In lowering the activation energy of a reaction, enzymes decrease the barrier to starting a reaction. It's important to note, however, that the change in energy remains the same between the start and end of a chemical reaction.

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Un ascensor recibe 1200 calorías y realiza 2200 joules de trabajo ¿Cómo se puede medir la energía interna del sistema?
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Solución: El problema indica que se le están suministrando 700 calorías de calor, eso quiere decir que Delta Q será positivo, por otra parte nos dice que al sistema se le aplicará un trabajo de 900 Joules, aquí el signo de Delta W tendrá que ser negativo, puesto que se la están aplicando al sistema.

Sabiendo ese análisis podemos dar solución al problema de la siguiente forma:
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How people often take vitamins needlessly or in excess, resulting in excretion in urine of water-soluble vitamins and potentiall
Katyanochek1 [597]

Water-soluble vitamin excesses are swiftly eliminated in urine and infrequently build up to hazardous amounts.

What is water-soluble vitamins ?

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The fat-soluble vitamins are used by your body as needed, and any extra is stored in your tissues and organs. The risk of vitamin poisoning increases when you take too much fat-soluble vitamins on a regular basis, making them more dangerous than water-soluble vitamins.

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brainly.com/question/9445187

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2 years ago
A 77-year-old woman slipped and fell on a throw rug and landed on her left hip. She denies striking her head or losing conscious
STatiana [176]

Answer:

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