Which of the following is the empirical formula of chlorophyll b?
(A) C55H70O5N4Mg
(B) C55H72O6N4Mg
(C) C55H70O6N4Mg
(D) C55H72O5N4Mg
Proteins are polymers of___________?
(A) Fatty acids
(B) Isoprenoid units
(C) Amino acids
(D) Nucleotides
Following possess bilateral symmetry as larva and radial symmetry as adult:
(A) Chordata
(B) Hydra
(C) Echinodermata
(D) Hemichordata
Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?
(A) i & ii
(B) iii & iv
(C) i ii iii & iv
(D) iv only
Adult birds normally possess only one functional____________?
(A) Ureter
(B) Ovary
(C) Lung
(D) Testis
Proteins comprise of ___________% of the total dry weight of a cell?
(A) 40%
(B) 50%
(C) 60%
(D) 70%
Double fertilization occurs in_________?
(A) All plants
(B) All seed plants
(C) Gymnosperms
(D) Angiosperms
Hemoglobin molecule exhibits which structural organization of proteins___________?
(A) Primary structure
(B) Secondary structure
(C) Tertiary structure
(D) Quaternary structure
Locomotory structures are not found in which of the following group?
(A) Amoebas
(B) Zooflagellates
(C) Ciliates
(D) Apicomplexans
Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
(A) Primary structure
(B) Secondary structure
(C) Tertiary structure
(D) Quaternary structure