Iam composed of cells and reproduce using dna; i sense and obtain energy from my environment; i evolve, and i maintain cellular homeostasis. i am a thing.

Living

Explanation:

A living thing represents a small cell or the entire organism which shows the signs of life for example it is composed of one or more cells, these cells can reproduce using the genetic material in the form of DNA. The living thing can sense the stimulus around it and respond accordingly. It obtains energy from the environment in the form of food or any other form of light or chemical energy. It is capable of maintaining the homeostasis. Homeostasis is the ability of the living beings to maintain or regulate their internal environment constant and stable with respect to the changes occurring in the external environment.

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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i really wish i could answer this question for you