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organism > Plant cells > Flashcards

Plant cells Flashcards

1
Q

where is the middle lamella

A

between two cells

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2
Q

how many cell wall have a cell

A

two

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3
Q

what is the function of cell wall

A

prevent rupture, size, shape, absorption, translocation, secretion of substance, defense

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4
Q

What do plasmodesmata

A

connect with other cells

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5
Q

what is the function of plasmodesmata

A

transfer of substance, communicate

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6
Q

what are the tonoplast

A

membrane of vacuoles

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7
Q

what is cell sap

A

water and molecule in vacuoles

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8
Q

what are the function of vacuoles

A

maintain internal pressure and rigidity, store metabolite

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9
Q

what are the metabolites the vacuoles are storing

A

sugar, organic acids, proteins

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10
Q

how many membrane have a chloroplast

A

two

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11
Q

true or false. the chloroplast don’t contain nucleus

A

false

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12
Q

where photosynthesis is carried out

A

thylakoid membranes

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13
Q

what are the two kinds of thylakoid

A

grana and stroma

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14
Q

what is synthesize by chloroplast

A

starch, sugars, lipid, protein

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15
Q

what chromoplast do

A

synthesize carotenoid pigment

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16
Q

what leucoplast do

A

synthesize and store starch protein oil

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17
Q

where do we commonly find leucoplast

A

root and seed

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18
Q

what describe the plasma membrane

A

phospholipid bilayer

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19
Q

what is the particularity of phospholipid bilayer

A

hydrophilic head and hydrophobic tail

20
Q

what is the biggest structure of the cell

A

nucleus

21
Q

what is the main function of the nucleus

A

store genetic information

22
Q

how nucleus communicate with cytosol

A

nuclear pores

23
Q

what is the site of assembly of ribosomal subunits

A

nucleolus

24
Q

what is a ribosome

A

protein subunit, linked to RNA

25
Q

where are the ribosome in the cell

A

free in the cytosol, attached to reticulum endoplasmic, or nuclear envelop, in mitochondria and chloroplast, where protein are needed

26
Q

what is the function of ribosome

A

manufacture protein from amino acid subunit

27
Q

what does the endoplasmic reticulum

A

assemble lipid component of cell membrane

28
Q

what are the two type of endoplasmic reticulum

A

rough and smooth

29
Q

what describe the rough endoplasmic reticulum

A

synthesis of protein with ribosome

30
Q

what describe the smooth endoplasmic reticulum

A

synthesis of lipid without ribosome

31
Q

what are the two roles of the Golgi apparatus

A

secrete polysaccharide to cell wall, secrete glycoprotein from rough ER to cell wall or vacuole

32
Q

with the Golgi apparatus, how does the substance moves

A

via vesicles

33
Q

how do we name the folds in the mitochondria

A

cristae

34
Q

what contain the matrix of the mitochondria (4)

A

protein, RNA, DNA, ribosome

35
Q

what is happening in mitochondria

A

respiration

36
Q

where are the mitochondria in the cell

A

where energy is required, often near plasma membrane

37
Q

what does the cell wall

A

fix the shape and size

38
Q

where is the middle lamella

A

between the primary and secondary cell wall

39
Q

where the plasmodesmata usually aggregate

A

in the pit field of primary cell wall

40
Q

from what is made the primary cell wall

A

cellulose fibres coiled together into microfibrils

41
Q

where do we find pectin and what are their role

A

in middle lamella. are hydrophilic, allow expansion of cell

42
Q

what is hemicellulose

A

h-bond to microfibrils, holds them together

43
Q

what is the composition of secondary cell wall

A

mostly cellulose and lignin

44
Q

what is the main function of the secondary cell wall

A

rigidity and impermeability

45
Q

from what is made cellulose

A

glucose attached end to end that form the microfibrils

46
Q

where can we find cellulose fibers (3)

A

clothes, paper, biofuel

organism (7 decks)

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