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histology > Chapter 3 part 1 organelles > Flashcards

Chapter 3 part 1 organelles Flashcards

1
Q

Double membranous organelles

A

Mitochondria, nucleus, er, Golgi, lysosomes, peroxisomes

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2
Q

Nucleus

A

Contain chromosomes control center, nucleoplasm, nuclear envelope, perinuclear space, nuclear pores, nuclear matrix

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3
Q

Er

A

Hollow tubes, calcium storage, lipid metabolism and protein synthesis

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4
Q

Golgi

A

Modify proteins

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5
Q

Lysosomes

A

Contain cellular digestive enzyme

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6
Q

PeroxiSome’s

A

Contain catalase break down hydrogen peroxide

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7
Q

chromosomes

A

DNA wrapped aaorund proteins called histones

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8
Q

histones

A

a protein found in chromosomes
-they bind to DNA
-give chromosomes their shape
-control the activity of genes

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9
Q

nucleosomes

A

section of DNA that is wrapped around a core of proteins
-that allows DNA to be condensed into smaller volume

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10
Q

chromatin

A

-complex of genomic DNA with proteins (histones)
-compacts genome into nucleus and also is the mechanism controlling how the genome is read out from cell to cell

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11
Q

cell reproduction

A

interphase, mitosisi (mitocersize) and cytokinesis

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12
Q

cytokinesis

A

overlaps with anaphase and telophase

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13
Q

interphase

A

-everything inside the cell is duplicated
-consists of G1, S and G2 phases

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14
Q

G1 phase

A

duplication of organelles and protein synthesis

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15
Q

S phase

A

DNA replication

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16
Q

G2 phase

A

protein synthesis

17
Q

Propase

A

First pase of mitosis

18
Q

Metaphase

A

2nd pase, pared chromatides line up nucleus region

19
Q

Anaphase

A

Mitosis 3, paired chromatides more to opposite sides of the cell

20
Q

Telophase

A

Mitosis 4, new nuclear membranes start to form

21
Q

Cytokinesis

A

Membrane invaginates forming 2 cells, begins during anaphases ) last step of mitosis

22
Q

Cell loss disorders

A

Aids, Alzheimer’s, Parkinson’s aplastic anemia, m myocardial infarction

23
Q

Cell accumulation disorders

A

Cancer, lupus,glomerulonephritis and I viral infections

24
Q

Glomerulosephritis

A

Kidney filter inflame

25
Q

Nuclear pore

A

Regulate transport of protein and mRNA across envelope

histology (20 decks)

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