Which statement about DNA replication is true?

Biology

2 answers:

Pani-rosa [81]3 years ago

5 0

Answer:

Eukaryotes only have one circular chromosome that unwinds at multiple locations.

Prokaryotes only have one origin of replication to initiate replication.

Eukaryotes can only replicate one segment of a chromosome at a time.

Prokaryotes can only replicate their single circular chromosome in the nucleus.

Explanation:

These are the options but idk what the answer is.

AysviL [449]3 years ago

4 0

Not sure what the statement are but DNA replication occurs in the nucleus in eukaryotes and happens during interphase in the cell.

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Taking into account the definition of molarity, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

<h3>Definition of molarity</h3>

Molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

molarity= number of moles÷ volume

<h3>Molarity of the solution in this case</h3>

In this case, you know that the molar mass of MgCl₂ is 95.21 g/mole [molar mass is the amount of mass that a substance contains in one mole.]

You can apply the following rule of three: If by definition of molar mass 95.21 grams are contained in 1 mole, 258 grams are contained in how many moles?

amount of moles= (258 grams× 1 mole)÷ 95.21 grams

<u><em>amount of moles= 2.7098 moles</em></u>

Replacing in the definition of molarity:

258 g of MgCl₂/liter= <u><em>2.7098 moles of MgCl₂/liter</em></u>

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Finally, the molarity of the solution is 2.7098 moles of MgCl₂/liter.

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