<span>Most animal cells also exhibit anchorage dependence. To divide, they must be attached to a substratum, such as the inside of a culture jar or the extracellular matrix of a tissue. Experiments suggest that like cell density, anchorage is signaled to the cell cycle control system via pathways involving plasma membrane proteins and elements of cytoskeleton linked to them.</span>
Answer:
six elements-H C N O P Ca
Cells correct error in their DNA by three processes: proofreading (errors that occur during replication are rectified), mismatch repair (the mismatched base pairs are corrected just after the DNA replication), and damage repair mechanisms (including direct reversal by cell enzymes, excision repair by replacement or removal of the wrong base, and double stranded base repair by repairing the breaks in the DNA by homologous or non-homologous recombination methods).
The last step of DNA replication is when everything is proofread to eliminate mistakes.
That is option A.
<h3>What is DNA replication?</h3>
DNA replication includes series of processes whereby a cell uses its DNA to make new copies of its DNA in the cells.
There are various steps in DNA replication and the last of the steps is called termination.
In this last step of DNA replication, an enzyme called exonuclease proofreads the newly formed DNA to check, remove and replace any errors.
Learn more about DNA here:
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paramecium
uses cilia to move around