Biology Flashcards

1
Q

S phase

A

1st phase of cell cycle that contains 92 chrms

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2
Q

Metaphase

A

Best phase to study chrms

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3
Q

Meiosis

A

Cell division used in sex cells

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4
Q

Endonuclease

A

Protects DNA from damage (e.g. UV damage)

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5
Q

Processing

A

Removal of non translated part of mRNA

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6
Q

Magnesium Ions

A

Fixate ribosomes on the aa

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7
Q

Turner Syndrome

A

45 XO

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8
Q

Klienefelter Syndrome

A

47 XXY

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9
Q

Edwards Syndrome

A

47 Trisomy 18

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10
Q

Patau Syndrome

A

47 Trisomy 13

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11
Q

Primary ovary

A

1-2 layers

Cubic form

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12
Q

T. vaginalisis

A

Causes painful urination

Pear shape with spikes

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13
Q

U. Schistosomosis

A

Causes painful urination

No shape with point (spike/spine)

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14
Q

Enterobiasis (aka pinworm)

A

Found in perianal fold of children

Assymetric oval egss

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15
Q

Toxoplasmosis

A

Causes still birth with multiple genetic defects

Toxoplasms = found in lymph nodes

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16
Q

Ascariasis

A

Found in GIT and Lungs (sputum)
Larval stage = lungs
Maturation = GIT

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17
Q

Opisthorchosis

A

Helminth with the smallest eggs

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18
Q

Trichina/trichonosis

A

Found in pork meat

SE: Edema and muscle cramps

19
Q

Scabies

A

Causes skin itch (especially between fingers)

20
Q

Demicodosis

A

Causes face acne

21
Q

Balantidiasis

A

Found in live pigs
Contains cilia
2 visible nuclei

22
Q

Filariasis

A

Found in the eye

23
Q

Lamblia

A

2 nuclei and pear shaped

4 pairs of flagella

24
Q

Echinococcosis

A

Found in the liver

From sheep and dogs

25
Q

Anthroponoses

A

Disease caused by parasites (e.g. pinworm)

26
Q

Dipyllobothiasis

A

Found in freshly salted caviar

27
Q

T. saginatus

A

Looks like noodles

Long, narrow with lateral branches

28
Q

Types of fevers

A
Intermittent = connected to a time
Recurrent = not connected to a time 
Hectic = high at night but normal during the day
29
Q

Tay-Sachs disease

A

Lipids found in lysosomes

30
Q

Pagets disease

A

Destruction of collagen

Seen in the mamilla

31
Q

Karakurt spider

A

Red dots

32
Q

Pleitrophy

A

1 gene defect that affects multiple organs

33
Q

Polyploidy

A

Cell contains all chrms due to no chrm seperation

34
Q

Types of transplant

A
Auto = using persons own cells/tissue 
Allo = using a donor (either same species or animal) 
Xeno = from animals
35
Q

Wolfhart fly

A

Causes myiasis

36
Q

Helicase

A

Unwinds DNA helix

37
Q

Procainamide

A

Anitcholinergic effects aggravate glaucoma

38
Q

Rifampicin

A

Inhibits transcription of RNA into DNA

39
Q

Triatomine bug

A

Causes Chagas disease

40
Q

Cru Da Chat

A

47.5

41
Q

DiGeorge Syndrome

A

Chrm 22

42
Q

Woman O , child AB ,husband A blood group

A

Recessive epistasis

43
Q

Both male and female

gonads are revealed

A

True Hermaphroditism