Tortipelvis

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..

A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..

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