Cell Physiology Flashcards Preview

Physiology > Cell Physiology > Flashcards

Flashcards in Cell Physiology Deck (36):
0

Contains DNA, Histones & Chromosomes, has nucleolus

Nucleus

1

Powerhouse of the cell

Mitochondria

2

Involve in detoxification, lipid synthesis, lipid soluble substances to water soluble substances

Agranular endoplasmic reticulum (SER)

3

For synthesis of proteins bound for
the cell membrane, lysosomes, outside of the cell

RER Ribosomes

4

For synthesis of proteins bound for the cytoplasm & mitochondria

Free floating ribosomes

5

For packaging, molecular tagging & synthesis of hyaluronic acid & chondroitin sulfate

Golgi apparatus

6

Contains proenzymes, neurotransmitters & replenishes cell membrane components

Secretory vesicles

7

For regression of tissues & autolysis; suicide bags of cells; destroys FB

Lysosomes

8

Degrades membrane-associated proteins; not membrane bound

Proteosomes

9

Contains oxidases, catalases, for detoxification

Peroxisomes

10

What do you call the specialized SER in skeletal muscle?

Sarcoplasmic reticulum

11

What do you call the specialized RER in the neuron?

Nissl substance

12

The only substance modified in the RET & not the Golgi apparatus

Collagen

13

What is added ti lysosome-bound proteins by the Golgi apparatus?

Mannose 6-phosphate

14

Lysosomes come from which organelle?

Golgi apparatus

15

Perixisomes come from which organelle?

SER

16

Wear & tear pigmenta that accumulates in lysosomes

Lipofuscin

17

Disease with dynein missing in cilia & flagella

Kartagener syndrome

18

What is the explanation for the situs inversus in Kartagener's syndrome

Defective primary cilia

19

What is the functional unit of the gap junction?

Connexon

20

What do you call the movement of substance through the apical & basolateral side?

Transcellular transport

21

What do you call the movement of substances between cells through tight junctions?

Paracellular transport

22

Which disease involves a mutation in a gene of chromosome 7 that encodes for an ABC transporter called CFTR?

Cystic fibrosis

23

What are the predominant cations & anions in the ECF?

Na, K

24

What are the predominant cations & anions in the ICF?

K, PO4

25

Example of impermeant solute

Glucose (effective osmole)

26

Example of Permeant solute

Urea (ineffective osmole)

27

Effective osmole used in the treatment of brain edema

Mannitol

28

Osmotic pressure from large molecules (proteins)

Oncotic pressure

29

Weight of the volume of a solution divided by weight of equal volume of distilled (pure) water

Specific gravity

30

Ca-ATPase pump in the cell membrane

PMCA

31

Ca-ATPase pump in the sarcoplasmuc reticulum & endoplasmic reticulum

SERCA

32

Functions of the Na-K-ATPase pump

Contributes to RMP; prevents cellular swelling

33

Functional subunit by Na-K-ATPase pump inhibited by cardiac glycosides

Alpha subunit

34

In all epithelial cells, Na-K- TPase pump is found in the basolateral side EXCEPT:

Choroid plexus

35

Why do RBCs swell when chilled?

Decreased ATP synthesis leads to Dec activity of Na-K-ATPase pump