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Facilitated Diffusion...

Facilitated Diffusion

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Find out A,B,C,D,E,F and G indicating either "yes" or "no" in the given table. {:("Property","Simple Diffusion","Facilitated Diffusion","Active Transport"),("(i) Highly selective","No","A","B"),("(ii) Transport saturates","C","D","Yes"),("(iii) Requires ATP ","E","F","G"):}

How many statements about diffusion is /are false ? (i) The diffusion rate depends on the size of the substrate. (ii) Diffusion across the membrane depends upon its solubility in lipids. (iii) Membrane protein provides sites for a hydrophilic substance to cross the membrane. (iv) Facilitated diffusion is carried out by Proteins .

Observe the given figure of ATP sysnthesis through chemiosmosis and arrange the followign events in correct sequence (a) Movement of e^(-) through H-carrier ltBrgt (b) Shifting of protons from stroma to Lumen ltBrgt (c) Facilitated diffusion of protons across the membrane (d) Conformation change in the F_(1) particle of the ATPase (e) Formation of ATP molecule

Transport in plants || osmosis || types OF osmosis || endosmosis and exosmosis || types OF solution || isotonic hypotonic and hypertonic || osmotic pressure || significance OF osmosis || active transport comparison OF simple diffusion, facilitated diffusion and active transport

Assertion :- Usually facilitated diffusion is carried out of those substances in which hydrophilic moiety is present Reason:- Lipoidal nature of plasma membrane creates difficulty in passing of those substances in which hydrophilic moiety is present.

Read of the following four statements (A-D): (A) Submucosa contains nerves, blood vessels and lymph vessels. (B) AlcohoI is absorbed in the stomach ( C) Veiy significant digestive activity occurs in small intestine. (D) Fructose is absorbed by facilitated diffusion. How many of the above statements are correct

Assertion: ATPase enzyme has two parts, One called the F_(1) is embedded in the membrane of thylakoid and forms a transmembrane channel that carries out facilitated diffusion of proton across the membrane. Reason: The other portion is called F_(0) and protrudes on the thylakoid membrane on the side that faces the stroma

How many of the given statements are true? A. The dry surface of the skin and the moist surface of the buccal cavity, are lined by compound epithelium. B. Cuboidal epithelium facilitates diffusion across the epithelium. C. Intercalated discs are the cell junctions between the cardiac muscle cells. D. Skeletal muscle fibers can be located in the biceps muscle. E. In a bone, osteocytes are located in lacunae.