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ELEN [110]
3 years ago
10

Which of the following animals is the most complex? Base your decision on body plan, structures used to carry out various functi

ons, and structures used to respond to the environment
Biology
1 answer:
Sav [38]3 years ago
4 0
Men.................                                                                     
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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:

<u>A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.</u>

Explanation:

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

There are three steps of transcription:

  • <u>Initiation</u>

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

  • <u>Elongation</u>

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.

  • <u>Termination</u>

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.

<u>QUESTION:</u>

  • <u> A ribosome attaches to the initiation codon of a completed mRNA strand.</u>

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

  • <u>RNA polymerase moves along the template strand of the DNA creating an mRNA strand.</u>

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

  • <u>A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.</u>

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

  • <u>The mRNA detaches from the RNA polymerase as the RNA polymerase leaves the DNA strand.</u>

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

3 0
3 years ago
In a farming accident last year, kevin injured his right cerebral hemisphere. this injury may impair kevin's ability to:
Crank
The injury to Kevin’s right cerebral hemisphere could affect the strength and movement on the left side of his body, as the right half of the brain controls the left side and vice versa. Reasoning, attention, perception, social communication and memory are also controlled by the right side of the brain and these functions could also be impaired from an injury to his right cerebral hemisphere.
3 0
3 years ago
Why wouldn't you use a steel core as an electromagnet?​
kirill115 [55]

Answer:

this is because Steel is more difficult to magnetise and demagnetise but an iron core makes a temporary electromagnet because its lose its magnetism when the switch is open and and steel core is used to make a permanent electromagnet

6 0
2 years ago
Hi. I'm studying and there is just one question I am not sure of the answer of on my study guide. I believe it is either A or C
maxonik [38]
In my opinion, it would be C! 

please let me know if this is correct!
3 0
3 years ago
Read 2 more answers
Explain why one city receives 10 hours more light each day.<br>Explain your answer
aleksandrvk [35]

Answer:

i hope it will help u bestie

Explanation:

Each year, many people look forward to the winter solstice, which usually falls on December 21 and is the shortest day of the year, because they know after that, there will be progressively more daylight each day.

8 0
3 years ago
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