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Anarel [89]
3 years ago
14

¿Qué se entiende por homeostasis?¿Por qué es importante que las condiciones internas permanezcan dentro de un rango constante? ¿

Qué ocurre si esto último no se cumple?
Biology
1 answer:
Kobotan [32]3 years ago
8 0

Answer:

La respuestas correctas son descritas en la sección de explicación

Explanation:

Homeostasis se define como un estado de relativa estabilidad dentro del medio interno de un organismo, teniendo composición y propiedades definidas dentro de un rango, las cuales deben ser cumplidas para asegurar el correcto funcionamiento del medio interno. Es precisamente el asegurar el correcto funcionamiento lo que hace importante que las condiciones internas permanezcan dentro de un rango constante. Por ejemplo, si la concentración de iones en la sangre es elevada las células pueden deshidratarse y encogerse hasta morir; o bien si la concentración de iones es baja las células pueden hincharse hasta explotar.

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1.This method of reforestation is done by natural means with the aid of the wind,birds,rodents and running water which scatters
ANEK [815]

Answer:

  1. T. Natural Reseeding.
  2. D. Species Diversity
  3. A. Ecosystem Diversity.

Explanation:

Natural reseeding uses natural elements and actors to plant the seeds of trees. These elements and actors include water, wind, birds, rodents and other actors capable of scattering seed.

Species diversity is what defines the differentiation between the different species in an ecosystem and Ecosystem diversity relates to how biological communities/ ecosystems can be different from each other based on the organisms and food chains available in each.

8 0
3 years ago
During which phase of mitosis are the spindle fibres formed around the sister chromatids?
Evgesh-ka [11]

Answer:

Metaphase

Explanation:

In prophase, spindle fibers start emerging from the centrosomes. In metaphase, the spindle fibers attach to the sister chromatids.

3 0
2 years ago
Genetic drift tends to occur in populations that
andre [41]

Answer:

Genetic drift may occur when a small group of individuals colonize a new habitat. True or false. Two populations that have overlapping ranges can remain reproductively isolated through behavioral isolation or temporal isolation from each other.

7 0
3 years ago
The third step is the phosphorylation of fructose-6-phosphate, catalyzed by the enzyme phosphofructokinase. A second ATP molecul
algol13

Answer:

It is called feedback regulation.

Explanation:

It is used when a product of the reaction is used for regulate the reaction. Therefore when there is enough product like ATP in this situtation, there is no need to run the reaction.

4 0
3 years ago
In a nucleosome, the DNA is wrapped around
Blababa [14]

Answer:

a. histones. is the correct answer.

Explanation:

In a nucleosome, the DNA is wrapped around eight histones proteins to create strong loops termed nucleosome.

A nucleosome is the structural subunit of the chromatin.

Chromatin is a fiber polymer of double-stranded DNA which is composed up of a nucleosome core. The nucleosome core is made of histone proteins

Each nucleosome is composed of DNA enclosed around eight histone proteins which are called histone octamer.

3 0
3 years ago
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