These seven Enzymes are base of Genetic Engineering.

Genetic engineering is the process in which the new DNA  manually added to an organism. Important enzymes involved in genetic engineering are:- Exonuclease The enzymes act upon genome and digest the base pairs on 5′ and 3′ ends of a single-stranded DNA or at single-strand nicks or gaps in double-stranded DNA. Endonucleases Endonuclease acts upon the … Read moreThese seven Enzymes are base of Genetic Engineering.

Difference between SER (smooth endoplasmic reticulum) and RER (rough endoplasmic reticululm)

Garnier for the first time had described them as filamentous structure, ergastoplasm. They were first discovered by Claude (1951) under the electron microscope. The term ‘endoplasmic reticulum‘ was first coined by Porter et.al in 1945. E.R. is abundant in liver, pancreas and other actively synthesizing cells. E.R. is absent in RBC, ova, embryonic cells and prokaryotes. There … Read moreDifference between SER (smooth endoplasmic reticulum) and RER (rough endoplasmic reticululm)

Self and Cross pollination are totally different or have some similarity?

The transfer of pollen grains from the anther to the stigma is called pollination. It is of two types:- 1. Self-pollination (autogamy) When the pollen grains of a flower falls on the stigma of the same flower, or of the different flower of the same plant, it is called self-pollination. It occurs not only in … Read moreSelf and Cross pollination are totally different or have some similarity?

Connecting link and Missing link between two organism ?

1. Virus Connecting link Between living and non-living Non-living Characters  Living Characters  These can be crystallized like inorganic and organic compound.  Cell organelles remain absent. Lack of growth and metabolism  Undergo mutation  Reproduction in the living cell. Shows recombination and heritability.   2. Euglena Connecting link between plants and animals  Animal Characters  Plant Characters  The body is covered by … Read moreConnecting link and Missing link between two organism ?