Chapter 4: 4.4 Telomerase Flashcards
1
Q
What is unique in the lagging strand of the linear DNA of eukaryotic cells?
A
RNA primers cannot be added to the 3’ end of the DNA
2
Q
Can DNA polymerase replicate the end of a lagging strand in eukaryotes?
A
No it cannot
3
Q
What is the function of telomerase?
A
Extends the 3’ end of the lagging strand by adding a DNA sequence to which a primer can attach
4
Q
True or False:
In linear DNA of eukaryotic cells, DNA polymerase III replicates the 3’ end of the lagging strand
A
Conditionally true. Only after telomerase extends the 3’ end
5
Q
Do prokaryotic cells have telomerase?
A
No they do not
* They have circular chromosomes
* During replication both replication forks meet in the middle
