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OPTOM 8010 - APD Midterm 1 > Cellular Organelles > Flashcards

Cellular Organelles Flashcards

study for midterm 1

1
Q

Plasma membrane

A

passive and active transport

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2
Q

Functions of integral proteins in plasma membrane

A

channels, enzymes, linkers, pumps, receptors, and structural

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3
Q

endocytosis

A

into the cell

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4
Q

exocytosis

A

out of the cell, SNARE proteins required for docking

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5
Q

Botulinum toxin

A

prevents formation of SNARE complexes

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6
Q

lysosomes

A

digestive organelles that break down various substances

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7
Q

Tay Sachs disease

A

lysosomes fail to degrade products, causes swelling in the retina

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8
Q

Proteasomes

A

degrade proteins w/o lysosomes

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9
Q

mRNA

A

DNA transcribed to RNA

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10
Q

tRNA

A

codes for AA’s

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11
Q

rRNA

A

make up the ribosomes

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12
Q

ribosomes

A

site for transcription

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13
Q

buy AT 30, CELL for 50

A

drugs that prevent bacteria ribosome function

against 30S
aminoglycosides & tetracyclines

against 50S
chloramphenicol, erythromycin, lincosamides (lincomycin)

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14
Q

Rough ER

A

make proteins, contain ribosomes

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15
Q

Golgi Apparatus

A

functions in post-translational modification & transport (amazon)

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16
Q

sarcoplasmic reticulum

A

stores calcium, and detoxification in liver

17
Q

mitochondria

A

generate ATP for the cell, decides if cell undergoes apoptosis

18
Q

Mitochondrial disorders

A

Leber’s hereditary optic atrophy & Kearns Sayre syndrome

19
Q

Peroxisomes

A

break down hydrogen peroxide, detoxification of alcohol in liver

20
Q

non-membranous organelles

A

microtubules, actin filaments, intermediate filaments

21
Q

microtubules

A

attachment of chromosomes to mitotic spindle & makes up mitotic spindle

22
Q

centrioles

A

nine microtubule triplets, forms mitotic spindle poles, provides basal bodies for cilia

23
Q

actin filaments

A

core of microvilli, and locomotion of cells

24
Q

intermediate filaments

A

support and structure

25
Q

lipofuscin

A

aging pigment, high in dying & cancer cells

26
Q

hemosiderin

A

iron remnants

27
Q

ocular siderosis

A

iron deposits in eye,

OPTOM 8010 - APD Midterm 1 (12 decks)

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