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Q. How is digestion performed in protozoans?
Digestion in protozoans is intracellular digestion organic material degraded inside the cell and is internalized.
Protozoans get food by phagocytosis and then the food is digested when phagosomes fuse with lisosomes within the cell, forming digestive vacuoles. The digestive vacuoles give basis to residual bodies that are eliminated from the cell by exocytosis.
In the paramecium the entrance of food into the cell and the excretion of digestive residuals occur at specialized regions of the plasma membrane, the cytopyge and the cytostom, respectively.
state 5 advantages and disadvantages of protozoa
Primary producers - Biotic Components The major primary producers of aquatic ecosystems (freshwater and marine) are various species of algae. In terrestrial ecosystems the ma
Q. What are some examples of interspecific competition? Instance of interspecific competition are the dispute among worms, vultures, flies and microorganisms for carrion and th
Tonicity and the plant cell. Table 3: Amount of water displaced by potato samples before and after experiment?
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Which of the following is true for a toe corticospinal interneuron that produces action potentials during movements of the big toe of the left foot? A. A portion of its axon is
Evolutionary relationship among various animal groups is depicted in the cladogram given below. P, Q and R respectively shown: a. Vertebrae, hair and four limbs. b. B
Q. Carbohydrates requirement in pectic ulcer? Carbohydrates: These should provide around 55 to 65% of the daily intake. Emphasis - J should be laid on the consumption of 60th s
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