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Honors Bio > Chapter 5-Cells > Flashcards

Chapter 5-Cells Flashcards

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Biology 101 flashcards
1
Q

Meiosis

A

Cell division that makes sex cells

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2
Q

Homologous Chromosomes

A

Two chromosomes that make up a pair of chromosomes

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3
Q

Egg

A

Female Sex Cell

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4
Q

Sperm

A

Male Sex Cell

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5
Q

Diploid

A

Cells that have all the homologous chromosomes. 2 sets

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6
Q

Haploid

A

Cells that only have one chromosome from each pair. 1 set

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7
Q

Gametes

A

Mature sex cells that only have half the number of chromosomes. Haploids.

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8
Q

Male gamete

A

Sperm

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9
Q

Female gamete

A

Egg

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10
Q

DNA

A

Genetic information found in the nucleus

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11
Q

Genes

A

Segments of DNA

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12
Q

Chromosomes

A

Condensed rod-like structure of DNA. Visible in cell division

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13
Q

Centromere

A

Place of attachment between two chromotids

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14
Q

Centriole

A

Two cylindrical bodies wish aid in cell division

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15
Q

Prophase

A

Chromosomes become visible. Centrioles move forward opposite ends and begin to form spindle fibers. Nuclear membrane disappears

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16
Q

Metaphase

A

Chromosome line up on the equator. Spindle fibers attach to centromere of chromosomes. Chromatids ready to split.

17
Q

Anaphase

A

Chromatids move to opposite sides. Chromatids my be called individual chromosomes.

18
Q

Telophase

A

Chromosomes reach opposite poles and begin to unravel. Spindles disappear. Nuclear membrane reappears around daughter nucleus.

19
Q

Cytokinesis

A

Division of cytoplasm and organelles. (Cells)

20
Q

Cancer

A

Uncontrollable cell multiplication.

21
Q

Tumor

A

Clump of abnormal cells

22
Q

Biopsy

A

Section of the tumor removed for analysis

23
Q

Benign

A

Cells are not cancerous

24
Q

Malignant

A

Cancerous cells in the tumor

25
Q

Meiosis II

A

Mitosis but with the sister chromosomes and genetic variation

Honors Bio (1 decks)

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