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4 years ago

What function do a brain cell and liver cell have in common?

2 answers:

8 0

Nearly every cell in a person's body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA)

JulijaS [17]4 years ago

7 0

All your cells contains the same genes, but cells don’t make all the proteins the have genes for. What makes a liver cell different from a brain cell is which proteins it makes and therefore, which of its genes are turned on.

Hope that helps!

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If an object is closer to a convex lens than one focal length, the image is ___

sweet [91]

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3 years ago

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The balanced chemical equation for the reaction of hydrogen and oxygen is shown below. 2H2 + O2 Right arrow. 2H2O The number of

bagirrra123 [75]

Answer:

Equal to 0.253 mol.

Explanation:

Hello,

In this case, since hydrogen and water are in a 2:2 molar relationship, the number of moles of hydrogen necessary to produce 0.253 mol of water will be also 0.253 mol as shown on the following stoichiometric factor:

$n_{H_2}=0.253mol H_2O*\frac{2molH_2}{2molH_2O} =0.253mol H_2$

Therefore, The number of moles of hydrogen that is needed to produce 0.253 mol of water is equal to 0.253 mol.

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4 years ago

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some students using Apple to represent the Earth what is the best reason to use an Apple for this comparison?

AleksAgata [21]

Answer:

The skin of the apple is very thin, and the crust of the Earth is very thin.

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3 years ago

Absorbance measurements in the range of A = 0.3-2 are considered the most accurate. Why would absorbance measurements of 0.05 an

Alex

Answer:

The difference in the absorbance of the sample and reference is too small at A = 0.05.3. If the absorbance is too high (A = 2.5),

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4 years ago

Use the following steps to balance the redox reaction using half-reactions. Zn(s) + Fe3+ Zn2+ + Fe(s) (unbalanced) a. Write bala

Thepotemich [5.8K]

Answer:

Explanation:

a )

Zn = Zn²⁺ + 2e ( oxidation reaction )

Fe³⁺ + 3e = Fe( s ) ( reduction reaction )

b )

[ Zn = Zn²⁺ + 2e ] x 3

[ Fe³⁺ + 3e = Fe( s ) ] x 2

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3 Zn + 2 Fe³⁺ + 6e = 3 Zn²⁺ + 2 Fe ( s ) + 6e

3 Zn + 2 Fe³⁺ = 3 Zn²⁺ + 2 Fe ( s )

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3 years ago