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AURORKA [14]
3 years ago
15

Con ayuda de un microscopio se observa una bacteria en el agua transcurridas (2) se miran muchas bacterias . Que ocurrio alli ,q

ue tpo de reproducccion sucedio meiosis o mitosis
Biology
1 answer:
Marizza181 [45]3 years ago
8 0

Answer:

Ninguna de las dos. No ocurre ni mitosis ni meiosis.

Probablemente haya ocurrido fisión binaria/bipartición.

Explanation:

En este caso estamos hablando de <u>bacterias</u>, organismos unicelulares procariotas. Estos tienen una forma de reproducción asexual denominado <u>fisión binaria</u>. Los <em>eucariotas</em> por su parte pasan por periodos de <em>división celular implicada en el crecimiento denominado </em><u><em>mitosis</em></u><em>, y división celular implicada en reproducción sexual, denominada </em><u><em>meiosis</em></u><em>. </em>

La fisión binaria, también conocida como bipartición, si bien muy parecida a la mitosis en algunos aspectos, es la forma de reproducción de las bacterias.

Ambas, mitosis y fisión binaria, implican un duplicado de material genético. El ADN se duplica y una copia va a cada célula hija. Lo mismo sucede con el resto del contenido celular. Finalmente ocurre citocinesis. Sin embargo, a diferencia de la bipartición, la <em>mitosis requiere de mecanismos mucho mas complejos de duplicación celular e involucra también a la cariocinesis, ausente en bacterias</em>.

La fisión binaria ocurre muy rápidamente, en un breve período de tiempo puede hallarse una diferencia considerable en la cantidad de células presentes en un sustrato, producto de esta división. Es por esto que el crecimiento que exhiben las bacterias como población, sigue un <em>modelo exponencial</em>.

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