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quester [9]
1 year ago
14

Which structure is the arrow pointing to? What is the function of this organelle?

Chemistry
1 answer:
S_A_V [24]1 year ago
6 0

The structure the arrow is pointing to is the nucleus and it helps store genetic material (DNA) in living cells.

<h3>What is an organelle?</h3>

Organelle is a specialized structure found inside cells that carries out a specific life process. examples are ribosomes, vacuoles, nucleus etc.

The nucleus is the large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.

The nucleus is located at the center of living cells and it functions to store genetic material called DNA. The DNA is transferred to offsprings for inheritance of traits.

According to this question, a microscopic image of a cell is shown. The arrow pointed to the nucleus of the cell.

Learn more about nucleus at: brainly.com/question/4031640

#SPJ1

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896.27
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Answer :

The time taken by the reaction is 19.2 seconds.

The order of reaction is, second order reaction.

Explanation :

The general formula to determine the unit of rate constant is:

(Concentration)^{(1-n)}(Time)^{-1}

Unit of rate constant                           Order of reaction

Concentration/Time                                        0

Time^{-1}                                                              1

(Concentration)^{-1}Time^{-1}                                 2

As the unit of rate constant is M^{-1}min^{-1}. So, the order of reaction is second order.

The expression used for second order kinetics is:

kt=\frac{1}{[A_t]}-\frac{1}{[A_o]}

where,

k = rate constant = 1.95M^{-1}s^{-1}

t = time = ?

[A_t] = final concentration = 0.97 M

[A_o] = initial concentration = 2.48 M

Now put all the given values in the above expression, we get:

1.95\times t=\frac{1}{0.97}-\frac{1}{2.48}

t=0.32min=0.32\times 60s=19.2s

Therefore, the time taken by the reaction is 19.2 seconds.

8 0
3 years ago
How many miles of glucose are in 19.1 g of glucose
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Answer:

did you mean moles? If so, answer is down below.

Explanation:

there are 0.106 moles of glucose in 19.1 g of glucose.

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sergij07 [2.7K]

Answer:

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