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What is pollination? What are the main forms of pollination?
The process in which pollen grains (the male gametophytes of phanerogamic plants) reach the female gametophyte is known as pollination.
Characteristics of the flowers of every plant species relate to the type of pollination used by the plant. Colored flowers are specialized in bird and insect attraction; nocturnal flowers normally are white and perfumed, a lot of specialized in pollination by bats; the nectar is also a specialization to attract pollinator animals; flowers that make an exaggerated amount of pollen often use the wind as pollinator; the position of anthers more external or internal next to the nectar is a way to facilitate the pollen dissemination respectively by the wind or by animals.
Define Criteria for Assessment of Niacin Status? Niacin status can be monitored by daily urinary excretion of methylated metabolites, especially the ratio of the 2-pyridone to
SALI V A R Y GLAND - These are compound - Alveolar, tubular glands made up of columnar / cuboidal epithelium. Saliva is manufactured in them. In mammals these are pai
GROWT H CURVES - S-shaped or sigmoid - Described by Verhuhst in 1839. It shows 5 phases - (i) Lag phase (ii) Positive acceleration phase (iii) Exponent
You have 200 cells and find 120 in interphase, 57 in prophase, 8 in prometaphase, and 5 in metaphase, 8 in anaphase and 2 in telophase. (None in G0 phase). it takes 18 hours to com
Frenal and Muscle Attachments: Frenal attachment at the site of implant placement has to be evaluated. A high frenal attachment may have a definite pull on the gingival surroun
What are the main gas exchange organs of the plants? How is the process accomplished? In the covering of the leaves and of the primary structure of the stem gas exchange is mad
Q. What is the difference between disaccharides and monosaccharides? What are some examples of monosaccharides and of disaccharides that form them? Monosaccharides are simple m
Ideal Characteristics 1) Maximize gas transfer (oxygen, carbon dioxide and anaesthetic gases) 2) Minimize blood trauma 3) Good heat transfer efficiency 4) Minimize
Define Steps in the Development of Exchange List? As mentioned above, when we group together similar food items so that each supplies a constant amount of a particular nutrient
Q. What is the life cycle of the hookworms? The Adult hookworms within the human intestine release eggs that are eliminated with the human feces. Under the adequate conditions
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