Chromosomes

contains genetic information

chromatid

two identical halves of a replicated chromosome

chromatin

non condensed dna

humans have ___ pairs of chromosomes __ total

23/46

which cells cycle takes up majority of the cell cycle

interphase

what happens during interphase

growth

what happens during G1-phase (during interphase)

cell growth and protein synthesis

what happens during S-phase (during interphase)

DNA replication

what happens during G2-phase (during interphase)

organelles created for mitosis

Mitosis is the

division of the nucleus

What is the first stage of mitosis

prophase

what happens during prophase

chromosomes become visible, centrioles seperate, nucleolus disappears, nuclear membrane breaks down

what is the shortest stage of mitosis

metaphase

what is the longest stage of mitosis

prophase

what happens during metaphase

chromosomes line up in the middle of the cell and attach to spindle fibers

what happens during anaphase

chromatids are pulled apart and spindle fibers shorten

what happens during telophase

chromosomes unwind,nuclear envelope re-forms,nucleolus reappears

how can you remeber the stages of the cell cycle

I-PMAT-C

what happens during cytokinesis

cytoplasm is split and two new cells are formed

what does cell division provide

two daughter cells that carry out the same function as their parent cell

what is cell division needed for

growth,repair, and replacement