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Neko [114]
3 years ago
14

_. The replication (exact duplication) of DNA begins with the__________________

Biology
1 answer:
Troyanec [42]3 years ago
5 0

Answer:

The replication (exact duplication) of DNA begins with the unwinding of the double helix.

Explanation:

DNA replication is the first step of the central dogma of molecular biology which deals with the formation of 2 daughter DNA molecules from a single parental DNA.

       The replcation begin with unwinding of DNA double helix by the breakage of hydrogen bonds between the complementary base pairs resulting in the formation of replication fork.

     This incident occur by the catalytic activity of Helicase or dna B protein.

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3 years ago
El hielo flota sobre el agua. Le ocurre igual a un metal sólido sobre su correspondiente fundido?
Iteru [2.4K]

Un metal sólido no flota sobre su correspondiente fundido poque es mas denso que el mismo.

Que una sustancia flote en otra depende de sus densidades. La densidad es el cociente entre la masa y el volumen de un objeto. Los objetos menos denso flotan en los mas densos.

En general, los sólidos son mas densos que los líquidos, y estos que los gases. Esto se debe a las fuerzas de atracción que hacen que la misma masa ocupe menos volumen en el caso de los sólidos. Este es el caso de los metales sólidos que no flotan en su correspondiente fundido.

El hielo flotando sobre el agua es una excepción a esta regla general. El puente de hidrógeno en el agua hace que este tenga mas volumen que el liquido y por lo tanto sea menos denso.

Un metal sólido no flota sobre su correspondiente fundido poque es mas denso que el mismo.

Aprende mas: brainly.com/question/3944963

5 0
2 years ago
The mutations of a cell for a Pacific function is known as
maw [93]
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6 0
4 years ago
Describe an individual with the karyotypes shown?
Tems11 [23]

Answer:

Karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells. Extra or missing chromosomes, or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body functions.

Explanation:

this is copied so be careful hope it helps

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3 years ago
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