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algol [13]
2 years ago
13

How often does the human body grow a new stomach lining to protect it from the chemical mixture inside?

Biology
1 answer:
stellarik [79]2 years ago
5 0

Every 3 days the stomach starts a new lining

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If you had a way of looking into the nucleus of a cell and visually inspecting the genetic material you would see the following:
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What does mitosis start with and end with​
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It starts with 2 chromosomes and ends with 2 identical cells.

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What is cyclin dependent kinase?​
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please mark as brainliest answer as it will also give you 3 points

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Cyclin-dependent kinases (CDKs) are the families of protein kinases first discovered for their role in regulating the cell cycle. They are also involved in regulating transcription, mRNA processing, and the differentiation of nerve cells.[1] They are present in all known eukaryotes, and their regulatory function in the cell cycle has been evolutionarily conserved. In fact, yeast cells can proliferate normally when their CDK gene has been replaced with the homologous human gene.[1][2] CDKs are relatively small proteins, with molecular weights ranging from 34 to 40 kDa, and contain little more than the kinase domain.[1] By definition, a CDK binds a regulatory protein called a cyclin. Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase but its activity can be typically further modulated by phosphorylation and other binding proteins, like p27. CDKs phosphorylate their substrates on serines and threonines, so they are serine-threonine kinases.[1] The consensus sequence for the phosphorylation site in the amino acid sequence of a CDK substrate is [S/T*]PX[K/R], where S/T* is the phosphorylated serine or threonine, P is proline, X is any amino acid, K is lysine, and R is arginine.[1]

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The two main types of fermentation are:
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I hope this helped you!
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brainly.com/question/25686651

#SPJ4

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