Molecular Biology-מעבדה רפואית

A Drosophila blastula, a human blastocyst, a melanoma cell, a hepatocyte, a neuron and an E. coli are sitting together in a bar. After a few beer and some playful bragging and needling they decide to hold a contest to see who can replicate his genome the fastest.

	to degrade Okazaki fragments.
	to ensure that there is no unpaired nucleotides at the telomeres
	to remove RNA primer nucleotides
	To remove intrastrand crosslinked nucleotides
	to remove mismatched 3' terminal nucleotides.

	extension of an existing 3' overhanging strand הארכה של overhanging strand '3
	The removal of non-base-paired nucleotides הסרה של נוקלאוטידים החסרים קישור לבסיס ע"ג הגדיל המשלים
	extension of an existing 5' overhanging strand הארכה של overhanging strand '5
	The covalent closure of the two DNA strands סגירה קוולנטית בין שני הגדילים
	a complete double-stranded DNA molecule with no unpaired bases on either strand מולקולת DNA שלמה, בלי בסיסים חופשיים ללא בסיס משלים

	Single-stranded DNA binding proteins
	No enzyme is responsible.
	Helicase
	Primase
	Gyrase
	DNA polymerase