mitosis Flashcards

1
Q

is the process by which two (2) new daughter cells are generated having the same number of chromosome (diploid) as the parent cell (2n)

A

mitosis

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2
Q
  • cell division of genetic material in the nucleus and for growth and repair
  • occurs in somatic/body cells
  • produces diploid cell and has a goal to make identical cells
A

mitosis

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3
Q

Chromosome Anatomy

five main parts of the chromosome

A

p-arm, q-arm, centromere, telomere, chromatids

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4
Q

Chromosome

holds the sister chromatids together and helps in the condensation of chromosomes

A

cohesin

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5
Q

Chromosome Anatomy

tips of the chromosome and does not contain DNA that codes for a gene

A

telomere

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6
Q

How many chromosomes are present in a human body cell?

A

46 chromosomes or 23 pairs of chromosomes

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7
Q

If the (a)________ are attached in kinetochore, it is called (b) ____________

A

a. microtobules
b. kinetochore microtubules

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8
Q

Mnemonics

f(p)ormation
middle
away
two

A

Prophase
Metaphase
Anaphase
Telophase

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9
Q
  • duplication of centrosome
  • uncondensed chromosome
A

G2 of Interphase

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10
Q
  • chromatin is condensed into a chromosome
  • nucleoli disappear and nuclear envelope breaks down
  • mitotic spindle begins to form
A

Prophase

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11
Q
  • microtubules from the spindle interact with the condensed chromosomes
  • kinetochore is formed at the centromere
A

Prometaphase

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12
Q
  • centromeres lie at the center
  • kinetochore microtubules from opposite poles are now attached to the SC
A

Metaphase

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13
Q
  • SC are arranged at the metaphase plate
  • centrosomes are now at the opposite poles of the cell
A

Metaphase

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14
Q
  • each chromatid becomes independent chromosomes
  • two ends of the cell have identical chromosome
A

Anaphase

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15
Q
  • two new daughter chromosomes begin moving toward opposite ends of the cell as their kinetochore microtubules shorten
  • cell elongates
A

Metaphase

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16
Q
  • daughter nuclei begin to form at the two poles
  • nuclear envelope arises and nucleoli reappears
  • chromosome is less condensed
A

telophase

17
Q

Cytokinesis

Animal Cell: (a) ________ furrow
Plants Cell: elongates and the (b) ________ forms future cell wall and cell membrane)

A

a. cleavage
b. cell plate