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Osmotic Function - Essential Elements
Plant cells generally contain mineral ions 10 to 1000 times higher in concentration than the surrounding soil. That is why water enters the cells by osmosis and builds up turgor. You know that turgor maintains the shape and size of non-rigid plant parts such as leaves. Potassium is a key ion in this respect. Changes in its concentration in guard cells affect turgor and thus result in opening and closing of stomata. Turgor is also essential for the growth of plant cells.
The cystic fibrosis allele occurs in European populations with q=0.02, what fraction of this population can be expected to have cystic fibrosis?
What is Vertebrates ? Vertebrates are animals that have vertebral columns, and include the following classes: Agnatha - jawless fishes (ex. lampreys) Chrondirichthyes - cart
compare and contrast the structure of the following: hyrda plain, hydra mematocysts, obelia, amoeba, euglena, paramecium caudatum conjugation, euglena acus.
Q. Microorganisms on basis of oxygen requirement for growth? On basis of oxygen requirement for growth: - Obligate Aerobes: Require oxygen for growth and multiplication e.g
What are the female pronucleus and the male pronucleus? The female pronucleus is the proper haploid nucleus of the egg cell. Male pronucleus is the haploid nucleus of the sperm
What are the typical vegetation and the typical fauna of the tropical forests? In the vegetation of the tropical forests broadleaf evergreen trees predominate. On the top of th
A foreign DNA has to target a precise chromosomal site and integrate with the host DNA. Are the methods of gene therapy strong enough to produce desired expression without mistakes
Manifestations of anemia that are directly due to the diminished oxygen-carrying capacity of hemoglobin include: Answer A. pale skin. B. bleeding. C. bone pain. D. fatigue.
What is Coarctation of Aorta ? More common in males (3:l). Narrowing of aorta typically located near aortic attachment of ligamenturn arteriosum or PDA. It can be a localized
Q. What are the four groups of protozoans? The four main groups of protozoans are the mastigophores flagellated, like the trypanosome that causes Chagas' disease, the sarcodine
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