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Which are the molecules that make possible active transport through membranes?
Ans) Active transport is made by particular membrane proteins. These proteins are known as "pumps" because they "pump" the moving substance through the membrane using energy from ATP molecules.
Eutrophication "Runaway" growth of the aquatic plants which takes place when agricultural fertilizers containing the phosphorus and nitrogen run off into lakes and ponds; also ult
Define Iron - The Micronutrient Iron, as you may be aware, is a trace element present in the body. The body contains approximately 3 - 3.5 g of iron of which about two thirds i
The aqueous solution with the lowest pH is: Select one: a. 0.01 M HCl. b. 0.1 M acetic acid (pKa = 4.86). c. 0.1 M formic acid (pKa = 3.75). d. 0.1 M HCl. e. 10 t
Sympatric OR allopatric speciation Sympatry The development of new species within a population. Two Hebe sp living in the same location but with different chromosomal numb
What is Lymphatic System in human biology? The lymphatic system maintains fluid balance and serves in protecting the body from disease. The primary organs of the lymphatic syst
Why Iodine is Important for Human Body? Iodine is an essential constituent of the thyroid hormones: thyroxine (T 4 ) and triiodothyronine (T 3 ), which have a key role in growt
Role of Chemical Factors in Controlling Apical Dominance There were indications about the existence of plant hormones in the last part of 19th century. The plant hormones had
Nucellus - Ovule Enclosed within the integuments lies a homogenous mass of tissue which is termed as the nucellus. This is the tissue in which the female gametophyte differen
Explain Deformaties of the Cliest wall should be Noted a) Pectus carinatum (pigeon chest): may be associated with Marfan syndrome. b) Pectus excavatum: commonly seen in Marfan
Q. What are few examples of cnidarians? In which environments can these animals be found? Hydra, Jellyfish, sea anemones and corals are good examples. All of them are aquatic,
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