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Similar to all animal cells, protozoans are covered by a plasma membrane which surrounds cytoplasm of the cell, protozoan's integument or skin. Like all membranes, it's permeable; water and low molecular weight substances dissolve in it. Oxygen, is required for metabolism, and metabolic wastes which are generated by metabolism, diffuse across the surface, giving plasma membrane respiratory and excretory functions. Nucleus, with its nucleolus and chromosomes, contains genetic material and would be involved in providing copies of itself for new cells, reproductive system. Golgi apparatus, rough endoplasmic reticulum, and lysosomes which they produce, fuse with ingested food vacuoles, phagosomes.
why obelia is considered to be of special interest in zoology ass an animal showing intermediate grade of organisation
Q. How do the potassium and sodium ions maintain the resting potential of the neuron? The plasma membrane of the neuron when at rest maintains an electric potential difference
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How do the ideas of energy and chemical cycles, community structure, biodiversity and succession fit together to form the basis of the way the natural world works?
Stored Metabolites - Seed and Fruit In a large majority of seeds food is stored in the cells of the endosperm. In coconut, wheat and castor bean for example, it is the endospe
PHYLUM PROTOZOA Definition and Introduction All unicellular ( or acellular ) eukaryotic animals. Most primitive (Gr. Protos = first=zoon= animals ) organisms
Healthy human female X is 25 years old and not pregnant. During the postovulatory phase of X's menstrual cycle, A. there are high blood plasma levels of LH and FSH.
sub classes of class pisces
Explain about the Kwashiorkor - protein energy malnutrition? Kwashiorkor is an African word, meaning a "disease of the displaced child", who is deprived of adequate nutrition.
Petrol or gasoline can be synthesized by following three methods: 1. Polymerisation 2. Fischer - tropsch method 3. Bergius process polymerisation In
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