NCERT Flashcards
length of dna
number of nucleotide and number of bp
bacteriophage phi*174 length
5386 nucleotides
length of bacteriophage lambda
48502 bp
E.coli length
4.6 * 10⁶ bp
length of haploid human dna
3.3 * 10⁹ bp
name all the pentose+nitrogen bases
adenosine deoxyadenosine
guanosine deoxyguanosine
cytidine deoxycytidine
uridine deoxythymidine
pentose + phosphate bond
phosphoester linkage
another name of thymine
5-methyl uracil
acidic substance in dna was named
nuclein
ratio of purines and pyrimidines
purines = pyrimidines
double helix model of dna was given by
crick and watson
length of dna in a mammalian cell
2.2 meters
E.coli
length of dna
no. of bp
length btw bp
1.36 mm
4*10⁶ bp
0.34 nm
capsule of s strain of streptococcus pnemoniae is made of
smooth polysaccharide
prior to the biochemical characterization of transforming principle, the genetic material was thought to be
protien
examples for organisms with rna as genetic material
tobacco mosaic virus
QB bacteriophage
the protein synthesis machinery has evolved around
rna
semi conservative method was first shown in
E.coli
how deoxyribonucleoside triphosphate supplies energy for polymerization
the two terminals of the phosphates are high energy ones, same as in atp
replication of dna occur in a very small opening of the dna known as
replication fork
all the reference point while defining a transcription unit is made with
coding strand
it is the presence of the ___ that describes the template and coding strands
promoter
why are the genes in eukaryotes split
monosistronic structural genes interrupt coding sequences
substrate of rna polymerase in transcription
nucleoside triphosphate
___ represents the dominance of rna world
splicing