molecular basis of inheritance

Question 1

o/ *174 baceriophage

Answer 1

5386 nucleotides

Question 2

lamda

Answer 2

48502 nucleotides

Question 3

e coli

Answer 3

4.6*10^6 bp

Question 4

haploid content of human dna

Answer 4

3.3*10^9bp

Question 5

dna first identified by

Answer 5

friedrich meicher in 1869

Question 6

double helix model for dna helix

Answer 6

watson and crick model 1953

Question 7

pitch of helix

Answer 7

3.4nm

Question 8

distance b/w basepair

Answer 8

.34nm

Question 9

central dogma

Answer 9

fransis crick

Question 10

length of dna

Answer 10

2.2m

Question 11

transforming principle

Answer 11

1928,fredrick griffth

Question 12

alfred hersey,maratha chase

Answer 12

1952 dna

Question 13

replication

Answer 13

watson and crick 1953

Question 14

measelson and stal

Answer 14

1958

Question 15

Thymine

Answer 15

5 meyhyl uracil

Question 16

Xray diffraction data

Answer 16

Maurice wilikin rosalind franklin

Question 17

Base pairs are formed by

Answer 17

HHbond

Question 18

Length of dna=

Answer 18

No. Ofbase pairs×pitch length

Question 19

A typical nucleosome has

Answer 19

200bp of bna helix

Question 20

Beads on string structure is viewed under

Answer 20

Em

Question 21

Cheonatin fibres are further coiled and condensed at.. .. Stage to form chromosome

Answer 21

Metaphase stage

Question 22

Euchromatin

Answer 22

Loosely packed

Question 23

,…….. Transcriptionally active

Answer 23

Euchtomatin

Question 24

Hershey and maratha chase experiment used

Answer 24

Radioactive p and s

Question 25

Order of h andc experiement

Answer 25

Infection___blending ____centrifugation

Question 26

Rna is gnetic materials in

Answer 26

Tobacco mossaic virus, qb virus

Question 27

_____makes rna degrade and liable

Answer 27

2’oh group in second position

Question 28

_____provides addition stability to bna

Answer 28

Thymine in place of uracil

Question 29

Rna important

Answer 29

Splicing metabolism translation

Question 30

Measlaon and atahl experiment used ____medium

Answer 30

N15 heavy isotopes of nitrogen

Question 31

Distinguishion of heavy from normal by

Answer 31

Centrifugation in cscl density gradient

Question 32

Dividing time of ecoli

Answer 32

20min

Question 33

Taylor used…… To detect dnaneww

Answer 33

Radioactive thymidine

Question 34

3’—-5’

Answer 34

Template

Question 35

Cistron

Answer 35

Segment of dna coding for polypeptide

Question 36

Regulatory sequence of structural gene

Answer 36

Intron

Question 37

rRna plays

Answer 37

Structural and catalytical role during translation