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Q. Illustrate Physiological Evidence ?
Physiological and biochemical evidence is providing data of increasing importance to plant systematic. Recently, it has become apparent that a syndrome of anatomical and physiological features related to a high efficiency carbon fixation process occurs in a large number of plants. This syndrome has been called the Kranz syndrome or C4 photosynthesis. In algae, mosses, most ferns, gymnosperms and many families of flowering plants C3-photosynthesis is the only known carbon fixation cycle. C4-photosynthesis occurs in approximately 10 unrelated families of monocotyledons and dicotyledons. Krariz syndrome has proved useful in characterising Panicum and . other taxa in the grass family. In the dicotyledon genus Euphorbia (Euphorbiaceae) C3, C4 and CAM (Crassulaceas Acid Metabolism) species are known. Both C3 and C4 carboxylation occurs in zygophyllum (zygophyllaceae) and in Atriplex (chenopodiaceae).
How could humans be disadvantaged by the extinction of a plant species? The loss of a plant species may deprive humans of any beneficial substances (e.g. drugs) that the specie
Explain Metameric in detail. A body plan which consists of a series of identical units, metameres, repeated down longitudinal axis of the animal. Every metamere contains identi
Explain Skeletal muscle Skeletal muscle has low activity of glucose-6-phosphate dehydogenase. Yet, like most other tissues it can synthesize ribose-5-phosphate. This is.
Q. Explain Left Atrial Enlargement ? This chamber is oval in the frontal projection and flattened in lateral projection. On the PA view, its appendage makes a small contributio
Ethylene - Dormancy Ripening of fruits involves a chain of cellular events like: Rise in the rate of respiration, Breakdown of higher carbohydrates into carboxylic
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Compare and contrast acids and bases in terms of their H+ ion and OH- ion concentrations.
Explain the taxonomy of Lamarck? Lamarck's taxonomy was mainly static in nature and his classification does not show its true value to the development of modern taxonomy. His m
Define about the Zinc Deficiency? Evidence suggests that nearly one-third of preschool children in lower-income countries have stunted growth, and that a considerable proportio
Ovary is half-inferior in the flowers of : 1. Guava 2. Plum 3. Brinjal 4. Cucumber Plum is the flower in which ovary is half - inferior
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