Biology 1 > Cell division > Flashcards

Cell division Flashcards

(17 cards)

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1
Q

What is a parent cell?

A

A cell which undergoes cell division to produce daughter cells.

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2
Q

What is a daughter cell?

A

Formed via the division of a parent cell.

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3
Q

Meiosis produces cels that are …

A

Haploid

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4
Q

Mitosis produces cells that are …

A

Diploid

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5
Q

Meiosis produces …

A

Gametes

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6
Q

Mitosis produces …

A

Clones/ genetically identical cells.

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7
Q

One half of chromosome is called a …

A

Chromatid (Sister chromatids)

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8
Q

The centre of a chromosome is called a …

A

Centromere

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9
Q

Chromosomes are only visible during …

A

Cell division

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10
Q

How many chromosomes are in a human cell?

A

46 (23 pairs)

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11
Q

Why is it important to produce genetically identical cells in an organism?

A
  • Repair
  • Growth
  • Replacement
  • Asexual reproduction
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12
Q

This phrase refers to the stages in Mitosis

I Pee on the MAT
Name the stages in the correct order.

A
  • Interphase
  • Prophase
  • Metaphase
  • Anaphase
  • Telophase
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13
Q

Describe the key features of Interphase.

A
  • Replication of DNA and organelles

- Chromosomes are not visible

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14
Q

Describe the key features of Prophase.

A
  • Supercoiling
  • Nucleus ‘disappears’
  • Nuclear envelope breaks down
  • Protein microtubules form spindles
  • Centrioles moe to opposite poles to form the spindles
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15
Q

Describe the key features of Metaphase.

A
  • Chromosomes are moved by the spindle fibres
  • They are moved to the centre plate of the cell
  • The centre plate is called the ‘Metaphase Plate’
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16
Q

Describe the key features of Anaphase.

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A
  • Centromeres divide; separating the chromatids
  • Chromatids pulled by spindle fibres contracting
  • Chromosomes form a V shape as their centromeres drag them through cytosol
17
Q

Describe the key features of Telophase.

Study These Flashcards
A
  • Chromatids reach opposite poles, we call them chromosomes now
  • Nuclear envelope reforms around each new set of chromosomes
  • Chromosomes uncoil
  • Nucleus forms
  • Cytokenesis begins
Biology 1
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