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How different are pteridophytes from bryophytes regarding substance transport?
Pteridophytes are tracheophyte (vascular) plants, i.e., they have tissues specialized in conduction of water and nutrients. Bryophytes are nonvascular plants. In pteridophytes thus the substance transport is done by vessels and in bryophytes that transport happens by diffusion.
What is ancylostomiasis? Ancylostomiasis is a disease caused by Ancylostoma duodenale or Necator americanus, both hookworms belonging to the nematode phylum (roundworms). Ancyl
What is the difference between the alpha helix and the beta-sheet protein conformations? Ans) Alpha helix and beta-sheet conformations are the two major types of secondary struc
Explain Chemolithoautotrophs - Nutritional Types of Microorganisms These microorganisms use inorganic compound as source of energy and electron and CO 2 as a source of carbon.
Question 1. State the basic properties of light. Discuss the special features of ultra-microscopy and phase contrast microscopy 2. What are ultrasonic waves? Explain the dif
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Explain Procambium in primary growth in shoot ? The vascular tissue in the shoot is produced from a primary tissue called the procambium, located in the apical meristem. New vas
Q. What is xaxim? Most pteridophytes have subterraneous stems similar to the substrate called as rhizomes. Xaxim is a kind of pteridophyte with an aerial stem in generally perp
Determine Water-soluble vitamins needs of school children and adolescents? The suggested requirements are given in Table 15.2 (ICMR 1990). Thiamine is computed as 0.5 mg/1000 K
Define the Food microbiology, mycology and toxicology? Use of yeasts, moulds and bacteria in production of foods and food ingredients; microbes in fermentation, processing and
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