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Ulleksa [173]
2 years ago
9

Within the oral cavity, both mechanical and chemical ________ begin.

Biology
1 answer:
Maslowich2 years ago
5 0

Answer:

digestion

Explanation:

there is no explanation

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A nebula is an interstellar cloud of "Dust and Gas"
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3 years ago
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Which of the following terms relate to the meaning of "physical"?
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Answer:

the answer is body

Explanation:

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A different DNA ladder from NEB (Cat #N3200L) comes as 500 uL of a 1000 ug/mL solution and is not pre-mixed with the 6 X DNA loa
JulijaS [17]

Answer:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder

Load 12 ul on the gel.

Explanation:

DNA Ladder concentration = 1000 ug/ml

1000 ug DNA in 1 ml DNA Ladder solution →    150 ng DNA = 0.15 ug DNA in..... 0.00015 ml = 0.15 ul DNA Ladder solution

6x DNA Loading Buffer → it has to be diluted by an equal volume 6 times (1 ul LB + 1 ul distilled H2O)

An appropriate volume to load on an average agarose gel is 12 ul, so:

2 ul Loading Buffer + 9.85 ul dH2O + 0.15 ul DNA Ladder = 12 ul

But since 0.15 ul is a very small volume and mistakes could be made while measuring it, let's make double:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder = 24 ul

And load half of that solution (12 ul) on the gel.

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3 years ago
The act of white blood cells engulfing a bacterium is?​
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Answer:

Phagocytosis refers to the engulfing of larger, solid particles. Often, the engulfed particle is another cell, like when a white blood cell, which is a part of the immune system, engulfs a bacterium to destroy it.

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Muitos casos de endocardite, infecção nas válvulas do coração, são originários de infecções dentárias. Explique uma possível rel
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I don't understand its not my language I would like to help but I can't
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