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 the … Read moreConnecting link and Missing link between two organism ?
Seed Germination Seed Germination is the process in which dormant embryo of seed resumes active growth and forms a seedling. When all the necessary conditions for germination have been supplied, the seed may start to sprout. After the seeds have imbibed water, there is significantly increased in the physiological activity. By enzymatic action, the stored … Read moreSeed germination and Chromosome number in plant parts
MicroRNAs (miRNA) are a class of small non-coding RNAs that involve in regulation of gene expression. lin-4 was the first discovered miRNA by Ambros and colleagues in C. elegans(Caenorhabditis elegans). After 7 years of the discovery of lin-4, Reinhart et al. reported lin-7( another miRNA in C. elegans). A unique characteristic of miRNAs is that … Read moremiRNA or microRNA Functions and Biogenesis
Root The root is the underground part of a plant. Root develops from the radicle of the germinated seed. Important functions of the roots : Absorption of water and minerals. In anchoring the plant in the soil Important Characteristic of roots : The roots in the plants lack node. They are positively geotropic, negatively phototropic … Read moreRoot modification examples and functions
ECOLOGY The term ecology was given by Ernst Haeckel in the year 1989. Ecology is the branch of biology that deals with inter-relationship amongst organism and their environment. it is connected with the study of environmental factors, plant adaptations, and effect of plants on the environment. Important Branches of ecology Autecology It is the study … Read moreEcology – Organisms and Populations