__________ To their environment (indiviual organisms react in order to survive; species adapt to a specific enviroment)

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.

There are three steps of transcription:

Initiation

It is the process in which a portion of DNA unwinds and RNA polymerase binds to the promotor region on the DNA.

Elongation

It is the process in which RNA polymerase moves along the DNA template and synthesizes mRNA. During this process, unwinding of double stranded DNA takes place.

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.

3 0

3 years ago

Which structure is the initial entry way for air to enter the respiratory system?

Alexxx [7]

It is the nose I think.

6 0

3 years ago

Why are scientists and governments working to save shark populations? What are some solutions they are testing? What else do you

Bingel [31]

There will be sharp increase in the natality rate in sharks which alert the government so they will be not come under endangered species.

<h3>What is endangered species?</h3>

A species considered to be facing a very high risk of extinction in the wild is called endangered species.

There are some solution has been tested by the scientist so that they can find that what makes increase in natality rate, incase if there is toxic chemical or anything in water. Ban of shark fishier will also help in shark conservation.

Learn more about endangered species here:

brainly.com/question/10415903

#SPJ2

3 0

2 years ago

Read 2 more answers

Wait what’s the answer

valkas [14]

What is the question so we can help

7 0

3 years ago

Read 2 more answers