Bio Study Guide: Cell Cycle Vocab

Sister chromatids

Duplicated strands of DNA

Histones

Structure that holds DNA in compacted form

Spindle fiber

Structures that pull duplicated DNA away from each other

Chromosome

A long polymer of DNA the codes for many traits

Gene

A segment of DNA that codes for a specific trait

Metaphase

Phase of nuclear division in which DNA line up along the center of cell

S phase

Phase of non-division in which DNA replicated

Cytokinises

Stage of the cell cycle when division is completed

G1/ G2.

Phase of non division in which organelles are copied

Interphase

Stage of the cell cycle when there is no division

Prophase

First phase of nuclear division

Apoptosis

When cells kill themseves

Telophase

Last phase of nuclear division

Mitosis

Stage of the cell cycle when the nucleus divide

G0

Phase of non-division in which the cell is at rest

Anaphase

Phase of nuclear division in which duplicated DNA separate

G1/ G2

Phase of non division in which cells grow

Centrioles

Structures that are located on opposite ends of the dividing cell to where chromosomes move

Chromatid

Rod- like DNA

Benign tumor

A mass of cells that is not spreading to other parts of the body

Chromatin

String- like DNA

Cancer

When the cell cycle & growth is out of control

P53

Protein that stops the cell cycle if there is a mistake/ problem

Tumor

A mass of cells that have formed because of problems w/ cell cycle

Malignant tumor

A mass of cells that is spreading to other parts of the body

Metastasis

A term that describes when cancer cells have traveled to other body parts