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organism > Chemical composition of a plant > Flashcards

Chemical composition of a plant Flashcards

1
Q

what are the three functions of a molecule

A

metabolic, structural, informational

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2
Q

what are the 4 primary metabolites

A

carbohydrate, lipid, nucleic acid, protein

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3
Q

from what is made carbohydrate

A

glucose and its isomer

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4
Q

what are the three types of carbohydrate

A

monosaccharides, disaccharides, polysaccharides

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5
Q

what are the three function of a carbohydrate

A

transport of energy, storage of energy, cell wall

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6
Q

give two example of more complex carbohydrate mage of chain of monosaccharide

A

starch, cellulose

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7
Q

true or false. monosaccharide are use during respiration

A

true

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8
Q

what are the two disaccharide we saw

A

sucrose, lactose

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9
Q

in which form the plants store starch

A

fructans

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10
Q

what is the role of fructans

A

plant more tolerant to freezing

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11
Q

what is the polysaccharide that form the cell wall of fungi

A

chitin

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12
Q

from what are composed the lipids

A

long hydrocarbon chain. C, H, O

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13
Q

what are the three groups of lipids

A

fats, steroids, phospholipids

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14
Q

true are false. lipids do not form polymers

A

true. big molecule made of many subunit.

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15
Q

where does lipids store oils

A

in cytoplasm of seeds, roots and fruits

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16
Q

what are the two structural functions of lipids

A

component of cell membrane, protection and water proofing

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17
Q

which group of lipids is responsable of the cell membrane structure

A

phospholipids

18
Q

what are the two part of the phospholipid bilayer

A

hydrophobic inner lipids and hydrophilic phosphate group

19
Q

what is the function of steroid in plant

A

stabilize phospholipid tail of cell membrane

20
Q

what is the most abundant sterol in plant

A

B-sterol

21
Q

what is the role of cutting, Suberin, waxes

A

protect outer surface from water loss

22
Q

from what are made protein

A

amino acids

23
Q

what is the primary structure of proteins

A

polypeptides

24
Q

what is the structural function of protein

A

cytoskeleton

25
Q

what is contained in the nucleotide (3)

A

sugar, phosphate, base molecule

26
Q

what are the 2 type of nucleic acids

A

DNA, RNA

27
Q

from what is made RNA

A

DNA template molecule

28
Q

What is the function of DNA

A

storage and transmission of genetic info

29
Q

where do we find DNA

A

nucleus, chloroplast, mitochondria

30
Q

what is the function of RNA

A

carry genetic message from nucleus to cytoplasm

31
Q

what is the metabolic function of nucleic acid

A

energy transfer through ATP

32
Q

what are the three classes secondary metabolites

A

alkaloids, phenolics, terpenoids

33
Q

how alkaloids defense from herbivore, disease organism allelopathic

A

bitter tasting

34
Q

what are the 4 example of stimulant source alkaloids

A

morphine, nicotine, cocaine, caffeine

35
Q

what is the basic molecule of terpenoid

A

isoprene, a lipid

36
Q

what is the basic structure of phenolic

A

-OH group and 6 carbon ring

37
Q

what is a flavonoids

A

water soluble pigment in vacuole

38
Q

where do we find tannin

A

in vacuole of leaf and unripe fruit

39
Q

what is an example of salicylic acid

A

aspirin

40
Q

what are the four type of phenolic

A

lignin, tannin, salicylic acid, flavonoids

organism (7 decks)

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