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nadya68 [22]
3 years ago
15

1) Q: A: Central dogma includes the following: The DNA codes for the production of messenger RNA (mRNA) during transcription. In

eukaryotic cells, the mRNA is processed and migrates from the _________ to the _________. Messenger RNA carries coded information to the __________. where this information is translated and used i for protein synthesis. Fill in the blanks within the text. A) nucleus, cytoplasm, ribosome B) nucleus, ribosome, Golgi complex C) ribosome, ER, Golgi complex Eliminate D) DNA, RNA, ribosome
Biology
2 answers:
gayaneshka [121]3 years ago
7 0
A) nucleus, cytoplasm, and ribosome
Sedaia [141]3 years ago
6 0

Answer: The correct answer for the fill in the blank is A) Nucleus, cytoplasm, ribosome.

According to central dogma, genetic information is transferred from DNA ( deoxyribonucleic acid) to mRNA ( messenger RNA) and finally to proteins.

The DNA is converted to mRNA in a process called transcription. This takes place in the nucleus of the eukaryotic cells. mRNA moves to cytoplasm where it is finally converted to protein ( through translation) at the site called ribosomes.

In other words, mRNA carries information in the form of codons that is used  for the synthesis of proteins.

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Levart [38]

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The comparison of these structures is very interesting because they are very different histologically but have certain similarities or factors in common.

Muscle histology is classified into skeletal muscle, smooth muscle, and cardiac muscle.

In the cardiac muscle there is a continuity of the cells by means of desmosomal junctions to better transmit chemical impulses or signals and allow simultaneous cardiac rhythmic contraction.

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These last two present myocytes submerged in structures such as endomysium, perimysium and ectomyse.

The muscle fibers in the histological sections can be seen in longitudinal or transverse sections and they will be seen in different ways because of different perspectives, but in both sections, well-colored nuclei can be seen and central to the cell, also the cells have a tapered shape ... Something that differs from neurons since they are star shaped.

Muscle cuts can be seen with histological techniques such as hematoxylin and eosin or PAS, whereas nerve structures such as nerves must be seen through Argentine impression.

The nerves in turn present peripheral myelin structures or not .. Where it is called a myelin sheath and it surrounds them in a sauteed way along the axon. In turn, the somas present the central nucleus to the cell just like the muscle cells ...

The nerves with the muscles make up the motor unit, which is the presynaptic membrane, intersynaptic space and the postsynaptic muscular membrane, it is here that magic and the induction of contraction take place.

Explanation:

Finally, another thing to add is that the neurons, in turn, are isolated cells that interconnect with each other to transmit their stimuli, which is fundamental, as well as the function of cardiac muscle cells, in both cell types, the prolongation of the stimulus or chemical signal is essential.

3 0
3 years ago
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