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During mitosis chromosomes are moved and separated through the use of spindles composed of?
microtubules. These microtubules are formed from the centrosomes and attach to the chromosomes at their kinetochores. As the microtubules shorten and lengthen, they pull the chromosomes apart, ensuring that each daughter cell receives the correct number of chromosomes.
What phase do microtubules attach to kinetochores?
Microtubules attach to kinetochores during the prometaphase stage of cell division. This attachment is essential for the proper alignment and segregation of chromosomes during mitosis.
When do microtubules attach to kinetochores?
Microtubules attach to kinetochores during prometaphase of mitosis, forming the mitotic spindle apparatus. This attachment is crucial for proper chromosome alignment and segregation during cell division.
When do kinetochores move toward poles?
Kinetochores move toward the poles during anaphase of mitosis. This movement is driven by the depolymerization of microtubules attached to the kinetochores, pulling the chromosomes to opposite ends of the cell.
What is the opposite word for shorten?
lengthen
What is some antonyms for shorten?
lengthen
What identifies proteins that allow muscles to shorten or lengthen?
Contractile proteins is the term that identifies the proteins that allow muscles to shorten or lengthen.
What do the peddles on a piano do?
shorten or lengthen the note
Do shadows shorten?
Yes. The length of a shadow is determined by the altitude of the Sun. Therefore shadows shorten then lengthen as each day progresses and, between days, shorten and lengthen as summer comes and passes.
When does the spindle attach to the kinetochores?
The spindle attaches to the kinetochores during prometaphase, where the microtubules from the spindle apparatus interact with the kinetochores on sister chromatids. This attachment is essential for proper chromosome alignment and segregation during cell division.
What term identifies proteins that allows muscles to shorten or lengthen?
Contractile proteins is the term that identifies the proteins that allow muscles to shorten or lengthen.
Does the 20 Amendment shorten or lengthen the time between elections and taking of office?
shorten
