Phase contrast microscope
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INTRODUCTION It was first described in 1934 by Dutch physicist. Frits zernike.Phase contrast is light microscopy technique used to enhance the contrast of images of transparent and colourless specimen.Such as…
SIGNALING VIA PLANT PEROXIDASES
•Plant peroxidases are versatile enzymes. They are known to use hydrogen peroxide (H 2O 2 ) as an electron acceptor during the oxidation •However, in certain conditions, they can also…
SAFETY OF HERBAL PHARMACOVIGILANCE
HERBAL PHARMACOVIGILANCE is the practice of monitoring the effects of medical drugs after they have been licensed for use, especially in order to identify and evaluate previously unreported adverse reactions.…
Academic Paper
Definition: Academic paper is a written document that presents the findings of a research study or scholarly inquiry in a formal manner. It is typically written by researchers or scholars…
History of Plant Tissue Culture
Concept of Cell CultureGerman botanist Gottlieb Haberlandt (1902) developed the concept of in-vitro cell culture he was the first to culture isolated cells in a nutrient medium containing glucose, peptones…
Tumor Supressor Genes
What is tumor? Tumor is undifferentiated or abnormal mass of cell of tissue and it may be solid or fluid filled. Tumor is also called neoplasm. A tumor doesn’t always…
Similarities between Pteridophytes and gymnosperms
Presence of megasporophylls leaves Megasporophyll is a type of leaf-like structure produced by heterosporous plants such as seed plants, lycophytes, and some ferns. Generally, it produces megasporangia, sacs that produce…
Bryophytes Vs Pteridophytes
S.No. Bryophytes Pteridophytes 01. Plant body is Gametophyte Plant body is Sporophyte 02. Plant body is thalloid that does not differentiate into roots, stem and leaves. Plant body is differentiated…
What are Gymnosperms
“Gymnosperms are a group of plants that produce seeds not enclosed within the ovary or fruit.” Gymnosperms belong to kingdom ‘Plantae‘ and sub-kingdom ‘Embryophyta’. The fossil evidence suggested that they…
Differences between Gymnosperms and Angiosperms
S.NO. Gymnosperms Angiosperms 1 Vessels are absent (except Gnetales) in the xylem. Vessels are present in the xylem. 2 Phloem lacks companion cell. Companion cells are present 3 No Flower…