Cell Physiology Flashcards

1
Q

What is the cytoskeleton made of

A

Microtubules
Microfilaments
Intermediate filaments

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2
Q

What is synthesised in the nucleolus

A

Ribosomes

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3
Q

What is made in the nucleus

A

mRNA

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4
Q

Where does mRNA travel to

A

Travels to cytoplasm through pores of nuclear envelope

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5
Q

Where do new proteins enter

A

They enter the lumen of th ER

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6
Q

What happens in smooth er

A

Post translational modification

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7
Q

Centrioles are made of what

A

9 sets of triplet microtubules

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8
Q

How many centrioles are near nucleus in centrosome

A

2

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9
Q

Name the different proteins in plasma membrane

A
Transport
Glyco
Channel 
Receptor
Structural
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10
Q

In a hypertonic solution what do cells do

A

Shrink

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11
Q

Function of channel proteins

A

Allow water ions proteins to flow passively through bilayer

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12
Q

Function of glycoproteins

A

Have carbon chains attached

Cell to cell communication and adhesion

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13
Q

What proteins are found in the lipid bilayer

A

Globular

Helical

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14
Q

What has a central role in apoptosis

A

Mitochondrion

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15
Q

Golgi -
Fill in the blanks

Proteins made in the ……. leave through …….. going to ……..

Proteins are modified as they are transported through ………..

Proteins are packaged into …….. and shipped to other sites

A

ER Vesicles. Golgi
Cisternae
Vesicles

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16
Q

What is NA-K pump important in

A

Nerves/muscles

17
Q

Na-k pump how many na go out

A

3

18
Q

In na-k pump how many k come in

A

2

19
Q

Give concentrations of na and k in cytoplasm

A

Na- 15mm

K- 140mm

20
Q

Give concentrations of na and k in extra cellular fluid

A

Na- 145mm

K- 5mm

21
Q

Concentration of calcium in cytoplasms

A

0.1um

22
Q

Concentration of calcium in extra cellular fluid

A

1mm

23
Q

Nicotinic receptors allow na/ca to enter. What class of receptors are they

A

Ionotropic receptor.