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AP Biology: Mitosis

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24 cards

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Section 1

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G2 Checkpoint

Front

1 / 24

Biology Science

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Date created

Mar 1, 2020

Cards (24)

Section 1

(24 cards)

G2 Checkpoint

Front

Checks to make sure that the DNA is copied correctly before going into the M phase

Back

Prophase

Front

Phase of mitosis in which chromosomes condense, nuclear membrane disappears, nucleolus disappears, and spindle fibers begin to form.

Back

Metaphase

Front

Phase of mitosis in which spindle fibers help chromosomes line up on the midline of the cell.

Back

S Phase

Front

The synthesis phase of the cell cycle; the portion of interphase during which DNA is replicated.

Back

Chromatid

Front

One of two identical "sister" parts of a duplicated chromosome.

Back

G1 Checkpoint

Front

Checks the cell before going into the S phase for damage.

Back

Chromosome

Front

A threadlike, gene-carrying structure found in the nucleus. Each chromosome consists of one very long DNA molecule and associated proteins.

Back

Interphase

Front

Cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases

Back

Tetraploid

Front

A cell with four copies of each chromosome.

Back

Spindle Fibers

Front

Made of microtubules that connect centrioles to kinetochores of chromosomes and that separate sister (mitosis) or homologous (meiosis) chromosomes during cell division

Back

Kinetochore

Front

A specialized region on the centromere that links each sister chromatid to the mitotic spindle.

Back

Diploid

Front

A cell with two copies of each chromosome.

Back

cancer

Front

Disorder in which some of the body's cells lose the ability to control growth; A disease in which the body cells grow & divide uncontrollably, damaging the parts of the body around them.

Back

G2 Phase

Front

Last stage of interphase in which cell grows and performs its normal functions. Cell is diploid.

Back

Haploid

Front

A cell with only one copy of each chromosome.

Back

Centromere

Front

Region of a chromosome where the two sister chromatids attach to one another. Contains the kinetochore.

Back

Centriole

Front

A paired cluster of microtubules near the nucleus in animal cells. This organelle organizes spindle fibers during mitosis.

Back

G0 Phase

Front

Cell is performing its normal functions, but has left the cell cycle and is not dividing.

Back

Anaphase

Front

Phase of mitosis in which the chromosomes separate and move to opposite ends of the cell.

Back

metastisis

Front

spread of cancer cells

Back

G1 Phase

Front

First stage of interphase in which cell grows and performs its normal functions. Cell is diploid.

Back

M phase

Front

Makes sure that all the spindle is properly connected to the kinetochore.

Back

Cytokinesis

Front

At the end of telophase, actin fibers form an equator around the cell and contract, separating the cytoplasm into two daughter cells.

Back

Telophase

Front

Phase of mitosis during which chromosomes uncoil, a nuclear envelope returns around the chromatin, and a nucleolus becomes visible in each daughter cell"

Back