phagocytosis and dna replication

Question 1

describe thew first 2 steps of semi conservative dna replication

Answer 1

DNA helicase hydrolyses the hydrogen bonds between base pairings.
easch strand is used as a template in which free floating nucleotides within the nucleus attract to the complimentary base

Question 2

scribe the last step of DNA replication

Answer 2

DNA polymerase joins the adjacent nucleotides together.

Question 3

describe the first 2 steps of PHAGOCYTOSIS

Answer 3

the phagocyte is attracted the the pathogens chemical trail.
the phagocytes receptors then attach to the pathogens antigen

Question 4

decribe the last part of phagocytosis

Answer 4

the phagocyte then engulfs the pathogen forming a phagosome.
lysosomes then move towards the phagosome and attach, releasing lysozymes which hydrolyse the pathogen.
the debris is absorbed by the cell