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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.
Nitrogen Fixation Nitrogen is an essential constituent of living organisms and there is an inexhaustible supply of it in the atmosphere in the free form. Majority of living o
P A TTERN OF GROWTH - 1 . ISOMETRIC - In it an organ grows at the same rate as the rest of body. External form of body is not changed. eg. fish, locust. 2 .
MOVEMENT OF BODY PARTS - Movement of appendages bring about locomotion. Perapodia, setae in Annelida, jointed legs in Arthropoda, flat foot in mollusca, tube feat in sta
Q. What are arterial vessels, arterioles and arteries? Arterial vessels are every blood vessel that carries blood from the heart to the tissues, arterioles and Arteries are art
How are fruits formed? The fecundation in angiosperms triggers the release of hormones that act upon the ovaries. The ovary wall then makes into a fruit that having the seeds.
Q. What are some human diseases caused by virus and what are their respective modes of transmission? The major viral diseases transmitted by respiratory secretions (cough, snee
Intramuscular Route of Injection Purpose When rapid action is required. When drug would prove irritating to the subcutaneous tissue. Site selected must be whe
Excretio n I n Animal To give out nitrogenous waste products after oxidation of food is excretion. EXCRE T O R Y MATERIALS - 1 . AMMONIA - Animals are
What is the mode of nutrition in fish,human,amoeba,scorpian & toad
Chronic Aortic Regurgitation : Several factors have to be taken into account before recommending surgery. These include severity of symptoms and LV function. With evidence o
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