Vacuoles are membrane-bound sacs in the cytoplasm of a cell. They have varied roles to play. Some vacuoles appear large in some plant cells and... View Article
Prokaryotes lack compartmentalization in the cell. The primary differentiation factor between eukaryotes and prokaryotes is the presence of a... View Article
Tears are salty because they contain electrolytes - natural salts. Tears are secreted from the lacrimal glands of eyes. The chemical composition... View Article
Pteridophytes are considered to be the first land plants to have evolved. They are classified into the following 4 classes: Psilopsida (example -... View Article
Yes, plant cells are eukaryotic. Both animal and plant cells are eukaryotic. Cells have nuclei. Other than these, eukaryotic cells are also... View Article
No, viruses are different from viroids. Viruses are units that consist of nucleic acids and capsids while viroids only have RNA and no proteins.... View Article
Wilhelm Hofmeister The German Botanist, Wilhelm Hofmeister is widely regarded as the Father of Plant Morphology as he pioneered in the stream of... View Article
George Emil Palade Nobel laureate Dr. George Emil Palade is considered to be the father of cell biology for his exceptional work in this field.... View Article
Gnetophytes. Gnetophyta is an odd group of species belonging to gymnosperms. Most gymnosperms do not possess vessels in their xylem as opposed... View Article
Cycas revoluta is called sago palm. This species of gymnosperms are not real palms rather a cycad. This is a slow-growing, long-lived, evergreen... View Article
There are many glands found commonly in both male and female reproductive systems. The bulbourethral glands found in males are homologous to the... View Article
The testes produce sperms. The paired structure - testes found in the male reproductive system produces sperms. They are produced in the... View Article
The short answer is testes. The testes are found in the male reproductive system only. This endocrine gland occurs in them in a pair and is... View Article
The simple answer to it is the ovaries. Ovaries, situated in the lower abdomen are the ductless reproductive glands found in the female... View Article
As of now, amongst the flowering plants the legume genus Astragalus is known to have the highest number of species, over 3,000 in number. It is... View Article
The simple answer to it is sporophyte. As seen in angiosperms, the gymnosperms too exhibit a dominant sporophyte generation. Like all the... View Article
Carbon dioxide, nitrogen and some oxygen are necessary for the growth of plants. For the growth of plants, photosynthesis and respiration are... View Article
Gases possess kinetic energy, hence they undergo diffusion. Diffusion is the movement of molecules from the region of high concentration to a... View Article
As per Graham's law, the rate of effusion or diffusion is inversely proportional to the square root of its molar mass. Hence, the gas with the... View Article
