MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.
The cell cycle ensures the duplication of the genome and its distribution in daughter cells by passing through a coordinated and regulated sequence of events.
A series of checkpoints guarantee the orderly progression of the phases of cell division and the correct distribution of the duplicated genetic material in the daughter cells.
The checkpoints during mitosis are:
- At the end of stage G1 and before S.
- Before anaphase in mitosis.
- DNA damage checkpoints in G1, S or G2.
The checkpoint before anaphase in mitosis guarantees the separation of chromosomes, and operates by activating the Mad2 protein that prevents the degradation of segurin, until the conditions are appropriate.
That is, the Mad2 protein prevents the segregation of sister chromatids until they have all bound to the spindle.
Therefore, we can conclude that MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.
Learn more here: brainly.com/question/9790187
1.) the products of photosynthesis are the reactants and the other way around too
2.) cellular respiration turns glucose (or food) into energy the cell can use (ATP) almost all eukaryotes do this
3.) to convert energy from the sun (with other things) into energy (glucose)
this has to be broken down to be used but all things get their energy from the sun, producers get it directly, then primary consumers eat the producers, then secondary,and tertiary
but it is all comes from the sun originally
The name for the total amount of living matter is biomass. Hopefully this helps :)
Answer:
A
Explanation:
Thick clouds can trap lots of heat. This has a warming effect on earth.
