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expeople1 [14]
3 years ago
9

Identify the image of strata changes that represents the principle of unconformities.

Biology
1 answer:
Eddi Din [679]3 years ago
7 0

Answer: The one with horizontal and vertical lines (a)

Explanation: just took the test for Plato

Please mark as brainliest

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Why are the symptoms of vascular neurocognitive disorder so different in each patient?
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Each lung is divided into two lobes.<br><br> TrueFalse
asambeis [7]

Hey there!

The correct answer is False.

The right lung actually has three lobes while the left lung has two!


Hope this helped and have a great day (:

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What is cyclin dependent kinase?​
Bezzdna [24]

Answer:

please mark as brainliest answer as it will also give you 3 points

Explanation:

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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In response to seasonal changes in temperature, many organisms must alter the composition of their plasma membranes to maintain
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Answer:

The correct answer is D

Explanation:

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The phospholipid consists of a <em>hydrophilic </em>phosphate 'head' and the tail is the <em>hydrophobic</em> fatty acid chain.When cellular membranes form,phospholipids collect into two layers in light of these hydrophilic and hydrophobic properties. The phosphate heads in each layer face the fluid or watery condition on either side, and the tails conceal away from the water between the layers of heads, since they are hydrophobic.

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8 0
3 years ago
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