Which statements are true? select all that apply.

(a) three different rna polymerases in eukaryotes transcribe different classes of genes.
(b) since prokaryotes lack a nucleus, translation can begin before the transcript is fully transcribed.
(c) intrinsic termination in prokaryotes occurs when the rho termination factor interacts with the growing rna transcript.
(d) eukaryotic rna polymerase ii requires general transcription factors for initiation of transcription.

A. B. D.

Explanation:

(A) Three different RNA polymerases in eukaryotes transcribe different classes of genes. TRUE (The eukaryotes are more evolved organisms than prokaryotes and their genome is larger, therefore their processes are more complex)

(B) Since prokaryotes lack a nucleus, translation can begin before the transcript is fully transcribed.TRUE (because there are not barriers that separate both processes, plus they occur in the same direction 5 'to 3'.

(C) Intrinsic termination in prokaryotes occurs when the rho termination factor interacts with the growing RNA transcript. FALSE ( in bacteria, there are two termination types: rho-dependent and rho-independent)

(D) Eukaryotic RNA polymerase II requires general transcription factors for initiation of transcription. TRUE (The general transcription factors bind with the RNA polymerase II to form a complex that surrounds the starting point, and determine the site of initiation)

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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