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2 years ago

When a protein is synthesized on fixed ribosomes, it is threaded into the lumen of which structure(s)?

1 answer:

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When a protein is synthesized on fixed ribosomes, it is threaded into the lumen of endoplasmic reticulum (ER).

Every eukaryotic cell has an endoplasmic reticulum (ER). The ER is arranged systematically into a web-like maze of radiating tubules and flattened sacs stretching all over the cytosol.

The tubules and sacs are all believed to interlink, so that the ER membrane forms an extended sheet bordering a single internal space. This highly complicated space is known as the ER lumen.

The ER traps selected proteins from the cytosol during their synthesis.

The two kinds of proteins include:-

transmembrane proteins, which are only partially moved across the ER membrane and are submerged in it, and

water-soluble proteins, which are completely transported across the ER membrane and are discharged into the ER lumen.

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So, there are 3 parts that explain the answer to your question.

Explanation:

Part A-

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The two fish are of the same species because they can mate with each other. Also, the characteristics of the blind cave fish enable them to live in caves. Eyes need energy. So, developing bodies with no eyes allowed these fish to function more efficiently.

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The two types of fish developed different traits within their respective habitats. However, as a species, they have some genetic diversity because these populations have different genes between them.

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3 years ago

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Which statement best explains the process of subduction? (1 point) O Magma rises through the cracks in a solid rock plate. O An

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The correct answer choice from the above statement best explains the process of subduction is:

An oceanic plate covers a continental plate

Option a is the correct answer choice

<h3>What is subduction?</h3>

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So therefore, the correct answer choice from the above statement best explains the process of subduction is:

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Option a is the correct answer

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