Why are Okazaki fragments formed on lagging strand only?

Why are Okazaki fragments formed an lagging strand only ?

The Okazaki fragments are joined by

Write a note on Okazaki fragments.

Which procedure is employed to separate the DNA fragments formed by restriction enzymes?

Why are both the enantiomers formed in S_N1 reaction?

The distance between an object and the screen is 75 cm. When a convex lens of focal length 12 cm is placed in the between theobject and the screen, magnification of real formed can be (magnitude only)

Read the paragraph and answer the questions given below : Reproduction is the process by which the living Species continues its existence. Lower organisms carry out asexual reproduction while higher plants and animals always show sexual reproduction. Plants reproduce asexually by methods such as fragmentation, vegetative propagation, budding, Spore formation. For sexual reproduction they form gametes. In animal kingdom, budding, fission of different types and parthenogenesis are some of the methods that do not require both the sexes. Though regeneration also forms new individual, it is not considered to be a reproductive process because. basically it is a repair process. The ability to regenerate is lost in higher phyla. In human beings it is restricted only to wound healing. Sexual reproduction is also undergoing lots of experimentation such as cloning which may make females capable of producing their own baby without intervention of any male. Answer the follolwing question. Which are asexual methods of reproduction in kingdom Animalia?

Only two germ layers are formed in

Which one of the alkali metals forms only the normal oxide, M_(2)O , on heating in air ?