shittah tree A tree that furnished the precious wood of which the ark, tables, altars, boards, etc, of the Jewish tabernacle were made; now believed to have been the wood of the acacia Seyal, which is hard, fine grained, and yellowish brown in colour. Origin: Heb. Shittah, pl. Shittim...
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
