It is referred to as the mitotic spindle during mitosis , a process that produces genetically identical daughter cells, or the meiotic spindle during meiosis , a process that produces gametes with half the number of chromosomes of the parent cell. Besides chromosomes, the spindle apparatus is composed of hundreds of proteins .
Excuse. In jurisprudence, an excuse or justification is a defense to criminal charges that is distinct from an exculpation. Exculpation is related concept which reduces or extinguishes a person's culpability and therefore a person's liability to pay compensation to the victim of a tort in the civil law.
1. used as a noun. An excuse is a reason that you give in order to explain why something has been done, has not been done, or will not be done. They are trying to find excuses for their failures. There is no excuse for this happening in a new building. You say that someone makes an excuse. I made an excuse and left the meeting early.