ATP is a
nucleotide
nucleosome
nucleoside
purine
Collagen is
fibrous protein
globular protein
lipid
carbohydrate
The nitrogenous organic base purine occurring in RNA is
cytosine
thymine
guanine
uracil
Mitotic spindle is mainly composed of` which proteins?
Actin
Myosin
Actomyosin
Myoglobin
Which is not consistent with double helical structure of DNA?
A=T,CΞG
Density of DNA decreases on heating
A + T/C + G is not constant
Both (a) and (b)
The basic unit of nucleic acid is
pentose sugar
nucleoid
In which one of the following groups,all the three are examples of polysaccharides?
Starch,glycogen,cellulose
Sucrose,maltose,glucose
Glucose,fructose,lactose
Galactose,starch,sucrose
Which is an essential amino acid?
Serine
Aspartic acid
Glycine
Phenylalanine
Element necessary for the middle lamella
Ca
Zn
K
Cu
Glycogen is a polymer of
galactose
glucose
fructose
sucrose
