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Cell the unit of life > imp > Flashcards

imp Flashcards

1
Q

received end of golgi

A

Cis Face/ forming face

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2
Q

main site for synthesis of lipids and steroids

A

SER

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3
Q

main function of golgi apparatus

A

1) collection, packaging, secretion, transport
2) Fromation of glycoproteins and glycolipids
3) formation of lysosomes

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4
Q

lysosomes are produced from

A

golgi appartus

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5
Q

Camillo Golgi discovered golgi from

A

nerve cells of barn owl

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6
Q

Who discovered Lysosomes

A

Christian de Duve

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7
Q

Discoverer of lysosome discovered it while

A

working on rat liver cells to isolate certain enzymes

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8
Q

What are activated only at acidic ph ( lower than that of cytoplasm)

A

lysosomes

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9
Q

Enzymes responsible for ETC is found in

A

inner membrane of mitochondria

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10
Q

Outer chamber of mitochondria contains the enzymes

A

adenylate kinase and nucleoside diphosphokinase

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11
Q

Similarity between prokaryotic cell and mitochondria

A

presence of single circular dna in inner chamber of mito

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12
Q

Site of respiration ( Kreb’s cycel)

A

MItochondria

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13
Q

Mode of reproduction in mitochondria

A

binary fission

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14
Q

The only animal that contains plastids

A

Euglena

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15
Q

Stroma contains enzymes for synthesis of

A

carbohydrates nd proteins

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16
Q

where do plastids contain circular DNA and ribosomes

A

in the stroma

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17
Q

Where are the chlorophyll pigments present?

A

in the thylakoids

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18
Q

Ribosome in chloroplast

A

70S

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19
Q

Ribosome type in cytoplasm

A

80S

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20
Q

Main function of chloroplast

A

for photosynthesis

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21
Q

The semi autonomous organelles

A

Mitochondria and chloroplast

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22
Q

MIto and chloroplast are similar to prokaryotes in what ways

A

1) Circular DNA
2) 70S ribosome
3) Circular DNA not associated with histones

23
Q

Chromosplast’s pigments

A

carotene, xanthophyll,chlorophyll A and phycoerythrin

24
Q

Precursor of vitamin A in animal tissues

A

chromoplasts

25
Q

Leucoplasts is for

A

storage

26
Q

amyloplast store

A

starch

27
Q

elaioplasts store

A

oil and fats

28
Q

aleuroplast store

A

proteins

29
Q

the colourless plastid(?)

A

leucoplasts

30
Q

pigments contained by Phaeoplast

A

fucoxanthin ( brown plastids)

31
Q

pigments contained by Rhodoplasts

A

Phycoerythrin

32
Q

Nucleus discovered by

A

Robert Brown

33
Q

largest cell organelle

A

nucleus

34
Q

Nucleoplasm is aka

A

nuclear sap

35
Q

Chromtin network is named by

A

Fleming

36
Q

Site of synthesis of RNA

A

nucleolus

37
Q

Chromosome first seen by

A

Hofmeister

38
Q

“chromosome”

A

Waldeyer

39
Q

Spirally arranged chromosome

A

chromonemata

40
Q

maximum condensation of chromosome at

A

metaphase stage

41
Q

NOrmal size of chromosome

A

1-30 micro

42
Q

lowest no of haploid chromo found in org

A

mesostoma (2) and ophryotrocha

43
Q

largest no of chromo

A

hermit carb (254)

44
Q

primary constriction is called the

A

centromere

45
Q

sec constriciton is called the

A

nucleolus

46
Q

____ ARE Always const and therefore used as markers

A

secondary constrictions

47
Q

What are marker chromosomes

A

chrom with satellites

48
Q

Chromosomes with 2. constrictions

A

1,10,13,16 and y

49
Q

type of chromosome that does not affect phenotype

A

Supernumerary/ accessory/ B chromosome

50
Q

type of chromosome in germ cells

A

limited/l chromosome

51
Q

chromosome that can form synapsis with only its kind

A

supernumerary/accessory/ B-chromosome

52
Q

M chromosome is present in

A

bryophytes and insects like bugs

53
Q

Megachromosome present in

A

nicotiana hybrid

54
Q

polytene chromosomes aka

A

salivary chrom

Cell the unit of life (1 decks)

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