The nervous system interacts with the system to coordinate the internal integration of all the other body systems together.

The endocrine system.

Explanation:

The nervous and endocrine system work together to maintain homeostasis in the body. The endocrine system used chemical signaling I.e hormone produced by it glands and the nervous system uses electrical signals. The nervous system send signals and activates the endocrine system to secrete hormones in order to respond to the signal AME maintain body function.

The endocrine and nervous system work together by influence human behavior, growth, metabolism and reproduction. The nervous system controls all body activities, the endocrine system secretes hormones that regulate these activities.

you are certainly talking about this picture:

a: is the label of the white square, it is showing the  replication fork, formed by helicase (d) ==> so it is the site of dna separation and replication 

b: is a new dna brand that is following directly the replication fork, so it is continuous ==> built continuously from 5' to 3

c: dna polymerase cannot replicate dna on its own, it needs the of their proteins, and one of them plays the role of a clamp which fixes  the dna with the dna template and increases  the processivity of the enzyme. ==>   stops polymerase from falling off the  template.

d: is the enzyme responsible for forming the replication fork (helicase) ==> unwinds and separates dna into two strands

e: is the delayed strand, it is built  in the opposite sense of the helicase, so dna will be built in fragments ==> built  fragments from 5' to 3 joins

and finally f: is the enzyme that builds  the new dna strand (dna polymerase) ==>   adds nucleotides to make a new dna helix.

credit: gradman555p98x9p

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