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.
3. to serve as an apology or justification for; justify: Ignorance of the law excuses no one. 4. to release from an obligation or duty: to be excused from jury duty. 5. to seek or obtain exemption or release for (oneself): to excuse oneself from a meeting.