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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.
Q. What are some representatives of the echinoderm phylum? Starfishes, sea urchins, sea cucumbers (holothurians) and brittle stars are examples of echinoderms.
Gibberellins in plant growth Gibberellins were first isolated from the culture of a fungus Gibberella fujikuori. Gibberellins has a significant effect on stem elongation
Define the Buffer capacity - Nutritional Biochemistry? Buffer capacity can be defined as, 'the capacity of a solution to resist changes in pH on the addition of strong acid or
Q. What is the normal duration of the menstrual cycle? How does the calendar contraceptive method work? The normal duration of the menstrual cycle is 28 days but it can vary am
Periimplant Sulcus Fluid Analysis (PISF) This is not a parameter for clinical use but for experimental situations. However, it is important for us to know about it. Several bio
What do you understand by Flagella. A cellular hairlike locomotory structure which comprise an extension of the plasma membrane surrounding a 9+2 organization of microtubules.
what is the longest cell in human body
Why is the dietary obtainment of iodine so important for thyroid functioning? The obtainment of iodine from the diet is significant for the thyroid because this chemical elemen
Q. What is the pineal gland? The pineal gland also known as epiphysis or pineal body is situated centrally in the head. It secretes the hormone melatonin. A hormone produced at
define alimentary canal
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