This is one reason kids get sick so quickly after that

Cellular

distribution, in order to play all cells

want to copy their chromosomes accurately and transmit identical copies of each

daughter cells. (Of course rare "mistakes" happen -.?.

, Cells actually evolved to favor rare mistakes Why Bacterial cell division, where

circular chromosome replication in eukaryotic cells

cycle, including mitosis, in a multiple linear chromosomes

separated and transmitted. >> << chromosome replication begins early attached to the cell wall, near the middle of the cell >>. << Replication occurs around dvunapravlennoho chromosomes, as extended

New Cell replication fork can begin before the first cell division

happens. this phenomenon allows extremely fast rendering 69091JWA of DNA replication starts at. origin

and two DNA polymerases act in the opposite direction. replisome)

contains as much as two DNA polymerase (why?). From the beginning, this four DNA polymerase throughout. Before DNA replication can complete the circle to start. Thus, two "generation" DNA replication occurs simultaeously. Could this ever happen

in eukaryotes? Why or why not? In eukaryotic DNA replication

actually occurs in S phase interfazi. G1, growth

S, napivkonservatyvnoyi

DNA synthesis

G2, preparation for mitosis

. ;

DNA replication does not occur during mitosis. A big problem with

eukaryotes is that they should repeat the linear chromosomes with a special >> << ends called telomeres. To do this they must use

,

special enzyme telomerase

actually connected to the reverse transcriptase

HIV purchase strattera virus. Telomerase activity may play a crucial role in human aging >> << if the end of chromosomes can not repeat right

chromosomes gradually lose some of their end sequence. For more information >> << to telomerase, go. Gene telomerase can extend the life

human cells may prevent aging! (Or is it

cause dangerous cancer?)

Eukaryotic cell division - What happens to the chromosome

number of copies (ploidy) during DNA replication and mitosis and then meiosis? (1)

bacteria can divide twice the time it takes to complete replication

her whole circle of DNA. (This is one reason kids get sick so quickly after

is E. coli contaminated hamburger

).

How is this possible? Can animal cells do the same? Why or

why not? (2)

-Suppose that in cells in tissue culture, about five percent of the

cells show condensed chromosomes mitosis. When the

mitosis five minutes that the total time of generation of cells? . << >>