Which cell most recently underwent metaphase?
2 answers:
The question is incomplete as it does not have the attached figure and the options are
W
X
Y
Z
Answer:
Y
Explanation:
Metaphase is one of the phases of the cell cycle during which the chromosomes are highly condensed and are aligned at the equator or centre of the cell. After the metaphase, the chromosomes begin to separate and are pulled towards the pole.
In the given question, the cell "Y" can be considered in the metaphase recently as the chromosome has initiated to be pulled towards the opposite poles from the centre of the cell.
Thus, Cell Y is the correct answer.
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Answer:
You need 8,324 g of CaCl₂ yo make this solution
Explanation:
Molarity is a way to express concentration in a solution, in units of moles of solute per liter of solution.
To know the grams of CaCl₂ it is necessary to know, first, the moles of this substance with the desired volume and concentration , thus:
0,1500 L × = 0,075 CaCl₂ moles
Now, with the molar mass of CaCl₂ you will obtain the necessary grams, thus:
0,075 CaCl₂ moles × = 8,324 g of CaCl₂
So, you need <em>8,324 g of CaCl₂</em> to make 150,0 mL of a 0,500M solution
I hope it helps!