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3 years ago

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11. Draw the diagram of neuron and label dendrite and axon. How do nervous system and glandular system together perform the func

tion of control and coordinate in human beings?

1 answer:

natita [175]3 years ago

5 0

Answer:

Neurons are functional units of the nervous system. The neuron is divided into three main parts dendrite, cell body, and axon.

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:

<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.

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3 years ago

What are the major steps in atp synthase?

3241004551 [841]

Ask your instructor pal

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3 years ago

In eukaryotic cells, DNA is packaged with proteins into structures called chromosomes. What advantage do chromosomes provide the

Vadim26 [7]

Answer:

Option C, They allow random distribution of genetic material when a cell divides.

Explanation:

The chromatin are responsible for packaging of DNA molecule into smaller space with in a chromosome. It not only package it but also protect it from. Packaging allows for easier division of cells during mitosis and meiosis and hence prevent any kind of damage to the DNA.

Chromosomes make recombination and random segregation of genetic material to form new cells. Each new cell gets equal number of chromosomes

Hence, option C is correction

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3 years ago

The cell bodies of sensory neurons whose fibers enter the spinal cord are found in the __________.

Agata [3.3K]

Automatically region nervous system

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4 years ago

Within each cell of your body there are ___________, which give the instructions for cell processes. These instructions include

kari74 [83]

I think it's the nucleus. Isn't the nucleus the brain of the cell?

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