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Cell Biology > Lab Quiz Meiosis&Mitosis > Flashcards

Lab Quiz Meiosis&Mitosis Flashcards

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0
Q

What are the three main ways asexual reproduction can take place?

A

Fission
Fragmentation
Regeneration

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1
Q

What are the two main methods of reproduction?

A

Sexual and asexual reproduction

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2
Q

What are the two main types of eukaryotic cell division?

A

Mitosis

Meiosis

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3
Q

What is the purpose of mitosis?

A

To generate a daughter cell with an identical genetic blueprint for cell/tissue repair

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4
Q

What is the purpose of meiosis?

A

To generate gametes (sex cells) to form new organisms

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5
Q

What do prokaryotes divide by?

A

Binary fission

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6
Q

What are the two distinct phases of cell division

A

Division of the nucleus (mitosis)

Division of the cytoplasm (cytokinesis)

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7
Q

What are the 4 stages of mitosis

A

Prophase
Metaphase
Anaphase
Telophase

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8
Q

What are chromatin granules?

A

Portions of chromosomes

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9
Q

Describe prophase?

A

Stage during which chromosomes become distinct thread like bodies and condensed. Nucleoli disappear

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10
Q

What are the special regions called that form the spindle ?

A

Microtubule organizing centers

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11
Q

What is the use of the spindle ?

A

Provides means for separation of chromatids

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12
Q

What two types of microtubules do the spindle contain?

A

Polar

Kinetochor

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13
Q

Describe metaphase?

A

Metaphase is easy to identify because the chromosomes are in the center of the spindle.

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14
Q

What is the name for the zone of cell division?

A

Meristem

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15
Q

What are the two general types of cells

A

Somatic, germinal cells

16
Q

Where does synapsis of chromosomes occur?

A

Chiasmata

17
Q

What happens in Spermatogenesis ?

A

1 spermatogonium turns into 4 spermatozoa

18
Q

What are the 3 distinct phases of Spermatogenesis

A

Spermatogonial phase
Spermatocyte phase
Spermatid phase

19
Q

What is the role of Sertoli cells

A

Nourish the spermatozoa

20
Q

What is the purpose of leydig cells

A

To secrete testosterone

Cell Biology (13 decks)

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