What process restores the 2N chromosome number in a zygote's somatic cells for growth and development to continue?

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Answer 1
Answer:

La respiración aeróbica es un tipo de metabolismo energético en el que los seres vivos extraen energía de moléculas orgánicas, como la glucosa, por un proceso complejo en el que el carbono es oxidado y cuando llega a la mitocondria se mezcla con el agua haciendo un compuesto químico llamado Glucosticko en el que el oxígeno procedente delaire es el oxidante empleado. En otras variantes de la respiración, muy raras, el oxidante es distinto del oxígeno (respiración) y luego las membranas mitocondriales, siendo en la matriz de la mitocondria donde se une a electrones y protones (que sumados constituyen átomos de hidrógeno) formando agua. En esa oxidación final, que es compleja, y en procesos anteriores se obtiene la energía necesaria para la fosforilación del ATP.

En presencia de oxígeno, el ácido pirúvico, obtenido durante la fase primera anaerobia o glucólisis, es oxidado para proporcionar energía, dióxido de carbono y agua. A esta serie de reacciones se le conoce con el nombre de respiración aeróbica.

La reacción química global de la respiración es la siguiente:

C6H12O6 + 6O2 → 6CO2 + 6H2O + 36 energía 

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A company estimates its total profit (profit = total revenue minus total cost) as P(x) = 2x5 − 3x4 − 5x2 − 2, where P is in thousands of dollars and x is the number of years elapsed since the company was founded.Solve for the number of times the total profit become exactly zero. Hint: Use Descartes's rule of signs.

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   Using the Descartes` rule of signs, we have to recognize how many times the signs change from positive to negative, or from negative to positive from one term to the next. There is only 1 change of signs: from +2 x5  to -3 x4. So we have only 1 real zero.
   Answer: There is only one time that the total profit become exactly zero.

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Answer:

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Which of the following items would be an ecosystem within the ocean ecosystem?a. marshes
b. coral reefs
c. rivers
d. ponds

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b coral reefs
here you go

B. coral reefs because marshes, rivers and ponds have nothing to do with the  ocean ecosystem.

Describe the types of effects a DNA mutation
could have on the protein.

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Answer:

Point mutations can cause serious changes to an organism if they change the way a protein works. A mutation in DNA alters the mRNA, which in turn can alter the amino acid chain. ... And a base substitution can also cause a silent mutation, in which the protein's function doesn't change at all.

What is NOT true about prokaryotesa. They have a nucleus.
b. They are more simple than eukaryotes
c. They were the first kinds of life on Earth.
d. They are the most abundant organisms on Earth.

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a) - is not true, they don't have a nucleus! In fact that's their definition: They lack nucleus, mitochondria and all other organelle too.
b) - true

c) - true!
d) true!

What other resources would also increase beacuse of the increase in world population

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Answer: Farming would increase because of population increase