Cytochrome pump hypothesis of mineral salt transport. -Biology

Cytochrome pump hypothesis of mineral salt transport. -Biology
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The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

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The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

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Description : Which mineral element present in the red blood cells helps the transport of oxygen?

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Why Water and Mineral Salt Are Important for Plant Growth ?

Description : Why Water and Mineral Salt Are Important for Plant Growth ?

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What is the difference between water absorption and mineral salt absorption ?

Description : What is the difference between water absorption and mineral salt absorption ?

Last Answer : Water Absorption 1. Water is absorbed as molecules. 2. Most of the water needed is inactivated. 3. In most cases water is absorbed by the root hairs. 4. Metabolic energy is not required for ... for the absorption of mineral salts. 5. Carriers are needed to transport the ions of mineral salts.

What is the English meaning of mineral salt ?

Description : What is the English meaning of mineral salt ?

Last Answer : Mineral salts in English .

What is mineral salt in human body ?

Description : What is mineral salt in human body ?

Last Answer : Mineral salts take part in various biological functions in the human body.

What is mineral salt ?

Description : What is mineral salt ?

Last Answer : : The common salt that we eat every day with food , there are also many other types of salt that are essential for our body. Foods like mineral salts , carbs , sugars , fats do not ... are not present in the body as basic elements, but in organic and inorganic compounds with other substances.

What is the need for mineral salt in human body ?

Description : What is the need for mineral salt in human body ?

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What is the amount of mineral salt in human body ?

Last Answer : The amount of mineral salt in human body is 4%.

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Description : Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum

Last Answer : ANSWER: C

Rock salt is a mineral containing – (1) potassium (2) magnesium (3) sodium (4) iron

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Sodium chloride or Table salt occours in nature as the mineral

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Poisons like cyanide inhibit Na+ efflux and K+ influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates that (a) ATP is the carrier protein in the transport system (b) energy for Na+-K+ exchange pump comes from ATP (c) ATP is hydrolysed by ATPase to release energy (d) Na+-K+ exchange pump operates in the cell.

Description : Poisons like cyanide inhibit Na+ efflux and K+ influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates that (a) ATP is the carrier protein in the ... is hydrolysed by ATPase to release energy (d) Na+-K+ exchange pump operates in the cell.

Last Answer : (b) energy for Na+-K+ exchange pump comes from ATP

Metronidazole is selectively active against anaerobic organisms because: A. Aerobes have an active transport mechanism to pump it out of their cell B. Only anaerobes reduce it to generate the reactive nitro radical C. It is rapidly inactivated in the presence of oxygen D. It binds to DNA of anaerobes with high affinity

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Last Answer : B. Only anaerobes reduce it to generate the reactive nitro radical

Mammalian cells are not inhibited by low concentrations of tetracyclines that inhibit sensitive microorganisms because: A. Host cells lack active transport mechanism for tetracyclines B. Host cells actively pump out tetracyclines C. Protein synthesizing apparatus of host cells has low affinity for tetracyclines D. Both ‘A’ and ‘C’ are correct

Description : Mammalian cells are not inhibited by low concentrations of tetracyclines that inhibit sensitive microorganisms because: A. Host cells lack active transport mechanism for tetracyclines B. Host cells actively pump out ... host cells has low affinity for tetracyclines D. Both A' and C' are correct

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Cyclic nucleotides exert the following action on salt transport across intestinal mucosal cells: A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 – secretion B. Cyclic AMP enhances but cyclic GMP inhibits Cl– and HCO3 – secretion C. Cyclic AMP inhibits but cyclic GMP enhances Na+ and Cl– reabsorption D. Both cyclic AMP and cyclic GMP enhance Na+ and Cl– reabsorption

Description : Cyclic nucleotides exert the following action on salt transport across intestinal mucosal cells: A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 - secretion B. Cyclic AMP enhances but cyclic GMP ... Cl- reabsorption D. Both cyclic AMP and cyclic GMP enhance Na+ and Cl- reabsorption

Last Answer : A. Both cyclic AMP and cyclic GMP enhance Cland HCO3 – secreti

What are the structural components of cytochrome ?

Description : What are the structural components of cytochrome ?

Last Answer : Iron is the structural element of cytochrome

Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Description : Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Last Answer : Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Description : Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Last Answer : Cytochrome C oxidase complex contains cyto-a & `a_(3)` and two copper centres.

Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

What is the definition of cytochrome?

Description : What is the definition of cytochrome?

Last Answer : any of a number of compounds consisting of heme bonded to aprotein. Cytochromes function as electron transfer agents in manymetabolic pathways, especially cellular respiration.

Superoxide radicals can be detoxified by (A) Cytochrome c (B) Superoxide dismutase (C) Both (A) and (B) (D) None of these

Description : Superoxide radicals can be detoxified by (A) Cytochrome c (B) Superoxide dismutase (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Which of the following component of respiratory chain is not attached to the inner mitochondrial membrane? (A) Coenzyme Q (B) Cytochrome c (C) Both (A) and (B) (D) None of these

Description : Which of the following component of respiratory chain is not attached to the inner mitochondrial membrane? (A) Coenzyme Q (B) Cytochrome c (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

A copper containing cytochrome is (A) Cytochrome a (B) Cytochrome P-450 (C) Cytochrome a3 (D) None of these

Description : A copper containing cytochrome is (A) Cytochrome a (B) Cytochrome P-450 (C) Cytochrome a3 (D) None of these

Last Answer : Answer : C

Superoxide radicals can be detoxified by (A) Cytochrome c (B) Cytochrome b (C) Cytochrome a (D) None of these

Description : Superoxide radicals can be detoxified by (A) Cytochrome c (B) Cytochrome b (C) Cytochrome a (D) None of these

Last Answer : Answer : A

The compound having the lowest redox potential amongst the following is (A) Hydrogen (B) NAD (C) Cytochrome b (D) Cytochrome a

Description : The compound having the lowest redox potential amongst the following is (A) Hydrogen (B) NAD (C) Cytochrome b (D) Cytochrome a

Last Answer : Answer : A

The iron containing nonporphyrin is (A) Hemosiderin (B) Catalase (C) Cytochrome C (D) Peroxidase

Description : The iron containing nonporphyrin is (A) Hemosiderin (B) Catalase (C) Cytochrome C (D) Peroxidase

Last Answer : Answer : A

Activity of cytochrome oxidase is inhibited by (A) Sulphite (B) Sulphate (C) Arsenite (D) Cyanide

Description : Activity of cytochrome oxidase is inhibited by (A) Sulphite (B) Sulphate (C) Arsenite (D) Cyanide

Last Answer : Answer : D

One of the site of phsosphorylation in mitochondrial respiratory chain is (A) Between FMN and coenzyme Q (B) Between coenzyme Q and cyt b (C) Between cytochrome b and cytochrome c1 (D) Between cytochrome c1 and cytochrome c

Description : One of the site of phsosphorylation in mitochondrial respiratory chain is (A) Between FMN and coenzyme Q (B) Between coenzyme Q and cyt b (C) Between cytochrome b and cytochrome c1 (D) Between cytochrome c1 and cytochrome c

Last Answer : Answer : C

The correct sequence of cytochrome carriers in respiratory chain is (A) Cyt b—cyt c—cyt c1—cyt aa3 (B) Cyt aa3— cyt b—cyt c—cyt c1 (C) Cyt b—cyt c1—cyt c—cyt aa3 (D) Cyt b—cyt aa3—cyt c1— cyt c

Description : The correct sequence of cytochrome carriers in respiratory chain is (A) Cyt b—cyt c—cyt c1—cyt aa3 (B) Cyt aa3— cyt b—cyt c—cyt c1 (C) Cyt b—cyt c1—cyt c—cyt aa3 (D) Cyt b—cyt aa3—cyt c1— cyt c

Last Answer : Answer : C

Cytochrome oxidase contains (A) Cu2+ and Zn2+ (B) Cu2+ and Fe2+ (C) Cu2+ and Mn2+ (D) Cu2+

Description : Cytochrome oxidase contains (A) Cu2+ and Zn2+ (B) Cu2+ and Fe2+ (C) Cu2+ and Mn2+ (D) Cu2+

Last Answer : Answer : B

A copper containing oxidase is (A) Cytochrome oxidase (B) Flavin mononucleotide (C) Flavin adenine dinucleotide (D) Xanthine oxidase

Description : A copper containing oxidase is (A) Cytochrome oxidase (B) Flavin mononucleotide (C) Flavin adenine dinucleotide (D) Xanthine oxidase

Last Answer : Answer : A