vocab
the process by which cells become different types of cells
cell differentiation
groups of similar types of cells that work together to carry out different tasks
tissues
chromosomes line up in what phase?
metaphase
what structures separate during anaphase?
chromatids
if a cell has 30 chromosomes at the start of mitosis, how many chromosomes will be in each new daughter cell?
30
groups of different organs that work together to complete a series of tasks
organ system
two identical chromosomes which make up duplicated chromosomes
sister chromatids
what stage of the cell cycle precedes cytokinesis?
when does a nuclear membrane form?
which tissue carries messages to and from the brain?
nervous
the nucleus and its contents divide
mitosis
most cells in an organism go through a cycle of growt, development, division
cell cycle
what forms during telophase?
two nuclei
when do sister chromatids separate?
anaphase
where is a meristem often found?
tip of plant root
the cytoplasm and its contents divide
cytokinesis
sister chromatids are held together by...
centromere
longest part of the cell cycle?
interphase
when does copied dna condense into chromosomes?
prophase
summarize the difference between multicellular and unicellular organisms.
Multicellular: two or more cells, each cell had a role
Unicellular: preforms all tasks, one cell
stem cells
the period during the cell cycle of a cell's growth and development
interphase
in what stage do spindle fibers form?
prophase
when do spindle fibers break down?
telophase
why is cell division so important for multicellular organisms?
Cell division is important because it replaces damaged cells and keeps the cell from becoming to large.