Cells Flashcards

1
Q

Are they active or passive transport ??

> Simple diffusion
channel mediated facilitated diffusion
Carrier mediated facilitated diffusion

A

Passive

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2
Q

What kind of materials go through channel mediated facilitated diffusion ?

A

Water soluble materials example … sodium, postassium, calcium

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3
Q

Why is ATP needed?

A

To help substances move from lower concentration to higher !!

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4
Q

What is the cytosol of the cytoplasm

A

Intracellualar fluid & surrounds organelles

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5
Q

What percentage of water forms the cytosol?

A

75-90%

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6
Q

Cytoskeleton function?

A

Cellular movement
Keeps the general shape & structure

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7
Q

Centrosomes function?

A

Used for formation of mitotic spindle

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8
Q

Cilium function?

A

Moves extracellur fluids

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9
Q

Flagella?

A

Moves the cell

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10
Q

Ribosome

A

Protein synthesis

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11
Q

Rough ER

A

Rough: synthesizes glycoproteins
ER: > Synthesizes fatty acids & steroids
> releases Ca+ into muscles 💪
> inactivates drugs

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12
Q

Golgi complex ?

A

> Lipid and protein synthesis
accepts proteins
transport

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13
Q

Lysosome ?

A

Digests dead foreign bodies

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14
Q

Peroxisome?

A

> > Oxidizes fatty acids & amino acids
Deactivates alcohol

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15
Q

Mitachondrion

A

> ATP synthesis
aerobic respiration

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16
Q

Vesicle?

A

Releases materials from extra cellular fluids into extracellur (outside) (exocytosis)

17
Q

What Type of muscle cell would have multiple cell nuclei?

A

Skeletal

18
Q

What is the nucleus surrounded by?

A

Nuclear envelope

19
Q

What are the layers called of the nuclear envelope?
They’re similar to the plasma membranes one?

Phospholipid bilayer ?
Or
Lipid bilayer?

A

Lipid bilayer

20
Q

what is the litter layer of the nuclear envelope attached to🧐? What organelle?

A

Rough ER

21
Q

Revision: ions pass through with diffusion and larger things like RNA & proteins pass by an ACTIVE process !!!

A
22
Q

What do nucleoli produce?
Hint: the main function is protein synthesis?

A

Ribosomes

23
Q

What does the DNA in a nucleus direct?

A

The metabolic activities

24
Q

RNA is involved in what synthesis ?
Hint: Ribosomes

A

Protein synthesis