The telomerase enzyme in human cells … Group of answer choices has an RNA component. extends the telomeres by its RNA polymerase activity. polymerizes the telomeric DNA sequences without using any template. removes telomeric DNA from the ends of the chromosomes. creates the ""end-replication"" problem.
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Ответ:
1. Polymerizes the telomeric DNA sequences without using any template
Explanation:
Telomeres are the DNA caps present on the end of the chromosome and they are present to protect the ends of the DNA strand from the DNA repair mechanism.
The telomeres possess overhangs that are not recognized by the DNA repair system but provide an RNA template that is recognized by the telomerase enzyme. The telomerase enzyme binds to the RNA template and synthesizes a new strand of DNA from RNA.
Thus, the selected option is correct.
Ответ:
Un fósil de transición son los restos fosilizados de una forma de vida que exhibe rasgos comunes tanto a un grupo ancestral como a su grupo descendiente derivado. Esto es especialmente importante cuando el grupo descendiente está fuertemente diferenciado por la anatomía general y el modo de vida del grupo ancestral.
Explanation:
espero que esto haya ayudado :)