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Aloiza [94]
3 years ago
14

Why must DNA replication have to occur before a cell can divide by mitosis?

Biology
1 answer:
otez555 [7]3 years ago
8 0
DNA replication needs to occur because existing cells divide to produce new cells. the DNA needs to be copied before cell division so that each new cell receives a full set of instructions
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True or false introns are removed from new RNA strands
Verdich [7]

false✨  hope this helps

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3 years ago
Which of the following events takes place in the electron transport chain?
Montano1993 [528]

Answer:

The correct answer is C  the extraction of high energy electrons remaining from glycolysis and citric acid cycle .

Explanation:

Electron transport chain(ETC)  occur in mitocondria and is the last process of aerobic respiration.ETC deals with the transfer of electron from the reducing equivalent such as NADH,FADH2 thereby oxidising them to their oxidized form NAD+,FAD.

            The liberated electron from these equivalents utilizes the proton motive force come from the transport of H+ ion cytosol to mitocondrial matrix and then result in the phosphorylation of ADP to form ATP along with H2O by the reduction O2.

3 0
3 years ago
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klio [65]

Answer:

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Explanation:

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More simply, we can say that these professionals apply their knowledge to improve workplace movements, work environments and training programs.

7 0
3 years ago
Please choose the answer that describes the scientific notation for 3,134,000,000
miskamm [114]
The scientific notation for that is

3.134 * 10^9

This is because you move 9 places then put it to a exponent.
3 0
3 years ago
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Uterus  suffer  severe  cramp  during  menstrual  cycle  of  some  women.IT  is  associated  with  pain.some  women  suffer  severely  enough  to an  extent   they  are  unable  to  do  daily  activities.Growth  in  the  womb such  as fibroids  can  also  be  the  source  of  pain
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