2. Cellular Division Flashcards

1
Q

Phase when cells stop dividing

Examples

A

G0 phase

Cardiac cells and neurons

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2
Q

3 phases of interphase

A

G1
S
G2

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3
Q

Phase: chromosome duplication

A

Synthesis phase

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4
Q

Division of SOMATIC cells

A

Mitosis

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5
Q

Division of SEX cells

A

Meiosis

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6
Q

Chromatin condenses

A

Prophase

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7
Q

Align at the equator

A

Metaphase

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8
Q

Chromosomes split

A

Anaphase

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9
Q

Chromatid goes back to chromatin

Cleavage furrow forms

A

Telophase

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10
Q

Steps 1-4 or PMAT is also called

A

Karyokinesis (nucleus/to split)

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11
Q

Part of mitosis where cytokinesis happens

A

Telophase

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12
Q

Cytoplasm divides into two

A

Cytokinesis

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13
Q

What 2 things happen in Meiosis 1 prophase 1

A

Synapsis

Recombination

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14
Q

Phenomenon wherein HOMOLOGOUS chr PAIR during meiosis

A

Synapsis

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15
Q

Sharing of DNA of 2 homo chromo aka CROSSING OVER or CHIASTMATA FORMATION

A

Recombination

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16
Q

End product of meiosis 1

A

Sperm - 2 diploid

Egg - 1 diploid & 1 polar body

17
Q

End product of meiosis 2

A

Sperm- 4 haploid

Egg - 1 haploid & 3 polar bodies

18
Q

Only blood supply of heart

A

L and R coronary artery

19
Q

Decreased blood supply

20
Q

Loss of blood supply due to obstruction

A

Infarction

21
Q

Common cause of infarction

A

Obstruction of smaller vessels

22
Q

Other term for myocardial infarction

A

Heart attack

23
Q

Common cause of death of MI

A

Arrthymia or irreg heartbeat

24
Q

Most common organ assoc with infarction

25
Brain infarction
Cerebrovascular accident or stroke
26
Least involved organ in infarction
Liver
27
Most common artery involved in stroke
Lenticulostriate artery (branch of middle cerebral artery)
28
Initial response of heart to hemorrhage
Tachycardia : Inc in fxn to help brain
29
Total body fluid volume
60% of weight
30
2 types of blood fluid volume and %
Intracellular fluid - 40% | Extracellular - 20%
31
Blood volume = _% of body weight
8%
32
If blood volume (8%) not maintained it will result to loss of blood flow or ____
Hypovolemic shock or hemorrhagic shock
33
Longest phase of cell division
Interphase
34
Male with bar body
Klinefelter Syndrome
35
44XX | Features:
Klinefelter Glynecomastia Micropenis Taurodontism = Bull’s teeth
36
Bull’s eye lesion (2 disease)
1. Erythema Multiforme | 2. Lyme’s Disease
37
Loss of blood flow | =TACHYCARDIA
Hemorrhagic shock
38
Obstruction in coronary artery
MI