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Andru [333]
3 years ago
14

How are rivers and streams able to keep algae from growing? Plz help

Biology
1 answer:
irakobra [83]3 years ago
5 0

Answer:

Answer A

Explanation:

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A genetic engineer wants to isolate a gene from a scorpion that encodes the deadly toxin found in its stinger, with the ultimate
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Answer:

The correct answer is - Yes, the genetic engineer should create a genomic library or a cDNA library.

Explanation:

mRNA isolated from the toxin extracted from the venom gland of the scorpion to create a cDNA library. The cDNA sequence is reverse transcribed by the mRNA that lacks the introns as prokaryotic organisms such as bacteria cannot splice introns.

If the engineer wants to express the toxin in bacteria then he required a cDNA sequence as a genomic clone can not use to clone for making proteins.  mRNA should be isolated from the venom gland so it can synthesize cDNA library enriched with toxin protein sequence.

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What are the phases of a stem cell? List them in order.
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There are three phases of stem cells mitosis, gene expression, and differentiation.

<h3 /><h3>What are stem cells?</h3>

Stem cells that are totipotent or omnipotent. programmable stem cells. Multiple-potency stem cells, stem cells with oligopotency, the body's building blocks are stem cells, which are cells that give rise to all other cells with specific roles.

Daughter cells are created when stem cells divide properly in the body or a lab to create additional cells. Most stem cells are found in the bone marrow.

They divide at this stage to produce new blood cells, Once fully developed, blood cells leave the bone marrow and travel into circulation.

Therefore stem cells develop into different cells through differentiation.

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Identify the biotic factors in the environment shown. Check all that apply.
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DescriptionBiotic components, or biotic factors, can be described as any living component that affects another organism or shapes the ecosystem. So the answer would be 1 an 2
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cloudiness rain and animals brudda.

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