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Biology > Cell Biology > Flashcards

Cell Biology Flashcards

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1
Q

Nuclear pore

A

Allow mrna and ribosomes travel out of nucleus and allow enzyme in

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2
Q

Chromatin

A

Material the makes chromosomes

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3
Q

Histones

A

Chromosomes made of section of dna tightly wound around proteins

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4
Q

Nucleolus

A

Site of ribosome production

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5
Q

Nuclear envelope

A

Has pores so mrna can pass through

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6
Q

Ribosomes

A

Site of protein synthesis

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7
Q

Structure or RER

A

Covered by ribosome
Continuous folding of membrane in nuclear envelope

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8
Q

RER

A

Protein synthesis

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9
Q

Structure of chloroplast

A

Surrounded by double membrane

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10
Q

Thylakoids

A

Membrane bound compartments containing chlorophyll that stack to form grana

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11
Q

Grana is joined by

A

Lamellae

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12
Q

Chloroplast

A

Site of photosynthesis

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13
Q

Light dependent stage

A

Thylakoids

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14
Q

Light independent stge

A

Stoma

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15
Q

Chloroplast contain

A

Small dna needed to synthesis protein for chloroplast replication and photosynthesis

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16
Q

Structure of mitochondria

A

Surrounded by double membrane

17
Q

Cristae

A

Made by folded inner membrane
And it is site of electron transport chain

18
Q

Fluid matrix

A

Made from cristea containing enzyme needed for producing atp

19
Q

Mitochondria contains

A

Mitochondrial dna and ribosomes

20
Q

SER

A

Processing and storage of lipids carbs and steroid
Lipid synthesis

21
Q

Cisternae

A

Network of tubules extends from cell membrane and connect to nuclear envelope

22
Q

Golgi appartus

A

Modifies and packages lipids and proteins

23
Q

Vesicles

A

Transport proteins and lipids

24
Q

Permanent vacuole

A

Surrounded by tonoplast
keeps the cell rigid and stops the plant from wilting.

25
Q

Lysosomes

A

Contains hydrolytic enzymes
Breaks down waste materials
Apoptosis

26
Q

Centrioles

A

Make spindle fibres

27
Q

Cell membrane

A

Controls movement of substances into and out of the cell
Cell signalling

28
Q

Flagella

A

Made from longer microtubules
Cell movement

29
Q

Cell wall structure

A

Made from cellulose

30
Q

Cell wall function

A

Prevents the cell from bursting
Allows exchange of substances between
Supports the cell

31
Q

Cilia

A

Move liquids along in tubes

32
Q

Cytoskeleton structure

A

Cell contains a network of protein fibres called microtubules and microfilaments

Fibres made of a protein acting

33
Q

Cytoplasm structure

A

Support animal cell
Movement of organelles
Movement requires ATP

34
Q

Cytoplasm structure

A

Support animal cell
Movement of organelles
Movement requires ATP

Biology (12 decks)

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