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In protozoans flagella are found always one per cell. Flagella and Cilia can generate substantial force as they try to push or pull a protozoan through water. To be able to do that, plasma membrane needs to be strengthened, and when it is, surface is referred to as the pellicle. In some ciliates even further strengthening takes place with kinetosomes being anchored to each other creating a complex infraciliature. The stronger the pellicle, the less likely it's that shape of the protist can change, and most ciliates have recognizable shapes. A good instance is Paramecium with its oval shape and food groove.
Q. What are the main causes of Mutation? Some mutations take place randomly and spontaneously during process of mitosis or meiosis. Others are caused by mutagenic agents that a
How does the study of fossils strengthen the theory of evolution? The study of fossils reveals ancient and extinct species having many same structures to others of the present
Homo neanderthalensis successfully lived in the cold, harsh ice-age conditions of Europe until becoming extinct approximately 30 000 years ago. Adaptations which enabled them to s
What are the lateral meristems? Where can they be found and which kind of plant growth do they promote? The Lateral or the secondary, meristems, are the cambium and the phellog
What type of respiration does earthworm has ? In many complex animals, the cells of internal organs are distant from the outside environment; respiratory systems provide the passag
Difference between Eye and Camera - Camera Ey e 1. Box. 2. Black inner paint 3. Shutter 4. Diaph
taxonomy research cat
function of cell coat
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ARE VIRUSES CELLULAR ORGANISMS?
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