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What is Vacuole ?
Another structure found only in plant cells is the large central vacuole. The vacuole stores enzymes and waste products, in addition to providing the turgor pressure that allows plants to maintain their upright stature.
Sometimes the central vacuole of a plant cell can take up over 90% of the volume of the cell. In many large plant cells, the cytoplasm is a thin layer adjacent to the cell wall, because the rest of the contents of the cell, including the nucleus and other organelles, are forced to the perimeter by the vacuole. Fluid in the vacuole is in constant motion, circulating both nutrients and wastes.
It arises from a one embryonic cell known as neuroblast Types of neuron: According to number of process¬ (a) Unipolar: Only axon is there. e.g. mesencephalic nucleus. (b)
a) A recombinant DNA is formed when sticky ends of vector DNA and foreign DNA join. b) Define how the sticky ends are formed and get joined.
The nominalists deny the existence of Plato's "types". For them only individuals exist. Species are man-made artificial abstractions. But naturalists, the biologists who have actua
Why Dairy or milk product are important for human body? This first food of mammals is rich in body-building proteins and bone-forming calcium, besides being the only source of
Determine which of the following observations (A-J) could lead to a testable hypothesis. For those that are testable: Write a hypothesis and null hypothesis What would be your expe
Describe the types of Drugs • Induction agent (thiopentone, fentanyl, ketamine, midazolam) • Suxamethonium (1-2 mg/kg) is the muscle relaxant of choice. Rapid sequence ind
using either nested brackets as a cladogram, what are the hierarchical relationships among the followingtaxa:raniates, amniotes, mammals, actinopterygians, chondrichthyes, aves, ve
Define the Recommended Dietary Allowance for Vitamin B 12 (RDA)? Vitamin B 12 deficiency is common in true vegans who can be treated with small doses since the daily requirem
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Q. What is the main biological process that consumes carbon dioxide? The major biological process that consumes carbon dioxide is photosynthesis.
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