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3 years ago

Stem cells found in adult tissue, such as in the bone marrow, brain, muscle, skin, and liver, are only capable of .

Biology

2 answers:

Shkiper50 [21]3 years ago

6 0

The correct answer to this open question is the following.

Stem cells found in adult tissue, such as in the bone marrow, brain, muscle, skin, and liver, are only capable of self-renewal.

Stem cells in adults have the possibility of self-renewal and multipotency. Cells in the body can renovate themselves many times and also can differentiate in different types. Stem cells also have the ability to repair damaged tissues.

BigorU [14]3 years ago

5 0

They are capable of renewing and dividing (multiplying) themselves for long periods of time, they are unspecialized, and they can give rise to other specialized cell types. Hope this helps!! :)

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What happens during the initiation step of DNA transcription? A ribosome attaches to the initiation codon of a completed mRNA st

Amanda [17]

Answer:

A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.

Explanation:

Transcription is the process in which DNA template is used to synthesize mRNA.

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Initiation

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Elongation

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Termination

As the RNA polymerase moves along the DNA template, it finally reaches a termination signal and then stops synthesizing. It is followed by the detachment of the newly formed mRNA and RNA polymerase from the DNA.

QUESTION:

A ribosome attaches to the initiation codon of a completed mRNA strand.

This is the incorrect answer choice as this process does not happen in the process of transcription. This event happens in the process of translation in which mRNA is used to synthesize proteins or amino acids. mRNA attaches to ribosome during this process.

RNA polymerase moves along the template strand of the DNA creating an mRNA strand.

This is the incorrect answer choice as this event takes place in the process of elongation.

A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.

This is the correct answer choice as this event takes place in the process of initiation of transcription

The mRNA detaches from the RNA polymerase as the RNA polymerase leaves the DNA strand.

This is the incorrect answer choice. This event takes place in the event of termination of transcription.

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