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Semenov [28]
4 years ago
11

Which process copies instructions from dna onto mrna​

Biology
1 answer:
OlgaM077 [116]4 years ago
7 0

Answer:

Transcription is the process through which DNA is copied into mRNA

Explanation:

The transcription is the process that copies the DNA  in to mRNA. It is also referred as the initial step in the dual step process for protein synthesis, which happens inside the nucleus of the cell.  After transcription, the translation step happens. In this step i.e. transcription, the genetic materials are transferred to the mRNA. mRNA strand made is exactly similar to that of strand of DNA in transcription as the DNA requires a base strand for sequence.

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Body fat in humans includes both essential and storage body fat. Essential body fat is needed to maintain life and is generally
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Increase

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Which describes the missing step?
Nimfa-mama [501]

Answer:

The missing step is oxygen is removed from the water after step 3.

Explanation:

The steps listed by Xavier are:

  1. <em>Water is drawn in trough pores and enters the central cavity. </em>
  2. <em>Food is filtered and digested. </em>
  3. <em>Water leaves trough an opening at the top of the body.</em>

Porifera or sponges are aquatic, immobile invertebrates whose structure is saccular with an upper opening, the osculus.

Sponges absorb water through their pores, where the porocytes are found, and through flagellated cells -the coanocytes- the movement that allows the entrance of water to the spongocele or atrium is produced, in addition to the phagocytosis of organic elements.

Once the water is in the interior chamber of the sponges, the organic particles are phagocyted to be digested, and the oxygen is removed from the water, and passes through diffusion into the cell.  The waste products, as well as carbon dioxide, are released into the water that will be expelled through the osculus.

<u><em>In Xavier's list, the missing step is the removal of oxygen from the water, before it is expelled from the body of the sponge</em></u><em>.</em>

<em />

Learn more:

Sponge structure brainly.com/question/11256747

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