Cell

Question 1

Not a membrane bound organell in eykaryotes

Answer 1

Ribosomes , nicleolus

Question 2

Site or active ribosomal RNA synthesis

Answer 2

Nucleolus

Question 3

Ribosomes are made up of

Answer 3

rRNA + Proteins

Question 4

Core of cilium or the flagellum

Answer 4

Axoneme

Question 5

The axondmd usually has how many doublets of radially arranged peripheral microtubles

Answer 5

Nine pair of doublets

Question 6

Cilia , flagella axonemal is referred as how many array

Answer 6

9+2

Question 7

Who observed a large number of plants and said they are composed of different kind of cells

Answer 7

Matthias Schleiden , german botanist , 1838

Question 8

What did Theodare schwann do

Answer 8

Found plasma member , also saw presence of cell wall in plant cell

Question 9

Ribosomes are found

Answer 9

Chloroplast , mitocondria , ER

Question 10

All prokaryotes have

Answer 10

Cell wall except mycoplasma

Question 11

Many bacteria has smaller circular dna outside the genomic DNA known as

Answer 11

Plasmids

Question 12

Plasmid dna has unique phenotypic characters such as

Answer 12

Resistance to antibodies

Question 13

Plasmid DNA is used for

Answer 13

Monitor bactetial transformation with foreign DNA

Question 14

Essential foldings of cell membrance in prokaryotes

Answer 14

Mesosomes

Question 15

Cell wall of bacteria consists of

Answer 15

Glycocalyx , cell wall , plasma membrane

Question 16

bacteria can be classified into two groups on the basis of

Answer 16

cell envelopes and staining procedure

Question 17

Types of glycocalyx

Answer 17

(loose sheath ) slime layer , (thick and tough ) capsule

Question 18

mesosomes are in the form of

Answer 18

vesicles , tubules and lamellae

Question 19

function of mesosome

Answer 19

Cell wall formation , DNA replication , repiration , secretion process , to increase the surface area of the plasma membrane and enzyymatic content

Question 20

bacteria flagellum is composed of three parts

Answer 20

filament , hook , basal body

Question 21

Pilli

Answer 21

elongated tubular structure made of special proteins ( not does not play a role in motility)

Question 22

Fimbriae

Answer 22

small bristle like fibers sprouting out of the cell , they help to attach the bacteria to rocks and to host tissues