Metabolism is a set of chemical reactions happening within an organism. These reactions are necessary to maintain the living state of cells, allowing them to reproduce, grow, and respond to environment.
Plant cells are a form of eukaryotic cells with true nucleus and organelles. Various types of plant cells are -xylem cells, phloem cells ,parenchyma cells, collenchyma cells and sclerenchyma cells. These cells distinguish plants from animal kingdoms.
In desert plants like cactus, they have an exquisite set of adaptations for optimal water management. They have thickened stem tissues with thin-walled parenchyma cells so a lot of water can be stored in stems.
Answer:
1) "Rule of 10" states that as little as <u>10%</u> of energy is transferred
2) Higher trophic level organisms need to eat <u>MORE</u> food, as energy is lost between trophic levels
3) The majority of the energy is lost as <u>heat</u>
Meiosis undergo a second form of cell division that makes the sexually-reproducing
organisms reproduce cells <span>with half the number of chromosomes. </span>
<span>This results to a
mixing or shuffled of the homologous pairs, <span>a tendency of crossing
over that causes exchanges of alleles on the homologous pairs and random fertilization unites different combinations of maternal
and paternal chromosomes, which means that when zygotes are formed, the
gene combination will be different each time, even if they come from the same
two parents</span>.</span>
The reason is to prevent desaturation during the endoscopic procedure.
For endoscopic procedures, moderate sedation is used. Hypoxia is a common complication seen during endoscopy, especially in the elderly. Artificial ventilation must be used during endoscopic procedures so that minute ventilation is not reduced.
Airway, respiration and oxygenation are monitored closely during endoscopy to prevent hypoxia. Hypoxia is a condition characterised by decreased levels of oxygen in the body. But rapid adsorption of oxygen causes lung collapse. This condition is known as atelectasis. It may cause pneumonia and infection. The best way to prevent this complication is pre-oxygenation with 80% oxygen.
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