Name two features of eukaryotic cells that prokaryotic cells lack

Prokaryotic cell and eukaryotic cell are different in many ways and some features that are present in eukaryotic cell but lacked by prokaryotic cells are:

1. Membrane-bound nucleus: Membrane-bound nucleus are present in eukaryotes which contains the eukaryotic cell's genetic material but prokaryotic cell do not contain nucleus therefore it's genetic material is present in the cytoplasm of the cell.

2. Other membrane-bound organelle: Apart from nucleus prokaryotes lack other membrane-bound organelles like mitochondria and chloroplast which is used for ATP generation in eukaryotes therefore ATP generation in prokaryotes takes place in the cell's plasma membrane.

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.

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