Sulpha drugs interfere with bacterial synthesis of (A) Lipoate (B) Vitamin E (C) Tetrahydrofolate (D) Ascorbic acid

Sulpha drugs interfere with bacterial synthesis of (A) Lipoate (B) Vitamin E (C) Tetrahydrofolate (D) Ascorbic acid
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Answer : C
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Sulpha drugs are antimetabolites of (A) PABA (B) Pyridoxin (C) Vitamin B2 (D) Pantothenic acid

Description : Sulpha drugs are antimetabolites of (A) PABA (B) Pyridoxin (C) Vitamin B2 (D) Pantothenic acid

Last Answer : Answer : A

Sulpha drugs are antimetabolities of (A) Vitamin K (B) Pyridoxin (C) Folic acid (D) Vitamin B2

Description : Sulpha drugs are antimetabolities of (A) Vitamin K (B) Pyridoxin (C) Folic acid (D) Vitamin B2

Last Answer : Answer : C

Vitamin B6 deficiency may occur during therapy with (A) Isoniazid (B) Terramycin (C) Sulpha drugs (D) Aspirin

Description : Vitamin B6 deficiency may occur during therapy with (A) Isoniazid (B) Terramycin (C) Sulpha drugs (D) Aspirin

Last Answer : Answer : A

A cup of strong coffee would be expected to (A) Interfere with synthesis of prostaglandins (B) Decrease the effects of Glucagon (C) Enhance the effects of epinephrine (D) Provide the vitamin nicotinic acid

Description : A cup of strong coffee would be expected to (A) Interfere with synthesis of prostaglandins (B) Decrease the effects of Glucagon (C) Enhance the effects of epinephrine (D) Provide the vitamin nicotinic acid

Last Answer : Answer : C

A cup of strong coffee would be expected to (A) Interfere with the synthesis of prostaglandins (B) Decrease the effect of glucagon (C) Enhance the effect of epinephrine (D) Provide the vitamin nicotinic acid

Description : A cup of strong coffee would be expected to (A) Interfere with the synthesis of prostaglandins (B) Decrease the effect of glucagon (C) Enhance the effect of epinephrine (D) Provide the vitamin nicotinic acid

Last Answer : Answer : C

Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl glucosamine (c) Inhibiting transpeptidases and carboxy peptidases which cross link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall

Description : Penicillins interfere with bacterial cell wall synthesis by (a) Inhibiting synthesis of N-acetyl muramic acid pentapeptide (b) Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... link the peptidoglycan residues (d) Counterfeiting for D-alanine in the bacterial cell wall

Last Answer : Ans: C

The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl glucosamine C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall

Description : Penicillins interfere with bacterial cell wall synthesis by: A. Inhibiting synthesis of N-acetyl muramic acid pentapeptide B. Inhibiting conjugation between N-acetyl muramic acid and N-acetyl ... cross link the peptidoglycan residues D. Counterfeiting for D-alanine in the bacterial cell wall

Last Answer : C. Inhibiting transpeptidases and carboxypeptidases which cross link the peptidoglycan residues

The vitamin C or ascorbic acid prevents (a) scurvy (b) antibody synthesis (c) rickets (d) pellagra

Description : The vitamin C or ascorbic acid prevents (a) scurvy (b) antibody synthesis (c) rickets (d) pellagra

Last Answer : (a) scurvy

Tetrahydrofolate is required as a coenzyme for the synthesis of (A) UMP (B) CMP (C) TMP (D) All of these

Description : Tetrahydrofolate is required as a coenzyme for the synthesis of (A) UMP (B) CMP (C) TMP (D) All of these

Last Answer : Answer : C

For the synthesis of TMP from dump, a coenzyme is required which is (A) N10- Formyl tetrahydrofolate (B) N5- Methyl tetrahydrofolate (C) N5, N10- Methylene tetrahydrofolate (D) N5- Formimino tetrahydrofolate

Description : For the synthesis of TMP from dump, a coenzyme is required which is (A) N10- Formyl tetrahydrofolate (B) N5- Methyl tetrahydrofolate (C) N5, N10- Methylene tetrahydrofolate (D) N5- Formimino tetrahydrofolate

Last Answer : Answer : C

A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD

Description : A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD

Last Answer : Answer : C

The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

One of the main functions of Vitamin K is cofactor for (A) Carboxylate for the formation of γ carboxyglutamate (B) Methylation of δ-adenosyl methionine (C) Carboxylation of biotin (D) One carbon transfer by tetrahydrofolate

Description : One of the main functions of Vitamin K is cofactor for (A) Carboxylate for the formation of γ carboxyglutamate (B) Methylation of δ-adenosyl methionine (C) Carboxylation of biotin (D) One carbon transfer by tetrahydrofolate

Last Answer : Answer : A

Tetra hydroglolate can be freed from N5 methyl tetrahydrofolate only by (A) Nor epinephrine (B) Ethanol amine (C) Nicotinamide (D) Vitamin B12

Description : Tetra hydroglolate can be freed from N5 methyl tetrahydrofolate only by (A) Nor epinephrine (B) Ethanol amine (C) Nicotinamide (D) Vitamin B12

Last Answer : Answer : D

The most probable mechanism of action of imidazole antifungal drugs is: A. They bind to ergosterol in fungal cell membrane and make it leaky B. They interfere with ergosterol synthesis by fungi C. They interfere with fungal mitosis D. They block oxidative phosphorylation in fungi

Description : The most probable mechanism of action of imidazole antifungal drugs is: A. They bind to ergosterol in fungal cell membrane and make it leaky B. They interfere with ergosterol synthesis by fungi C. They interfere with fungal mitosis D. They block oxidative phosphorylation in fungi

Last Answer : B. They interfere with ergosterol synthesis by fungi

Do you know, who invented Sulpha drugs?

Description : Do you know, who invented Sulpha drugs?

Last Answer : Introduced in 1935 by Gerhard Domagk (1895–1964), sulfa drugs, or sulfonamides, all of which are related to the compound sulfanilamide, provided the first successful therapies for many bacterial diseases

Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Description : Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Last Answer : Answer : A

The enzyme -ketoglutarate dehydrogenase in the citric acid cycle requires (A) Lipoate (B) Folate (C) Pyridoxine (D) Inositol

Description : The enzyme -ketoglutarate dehydrogenase in the citric acid cycle requires (A) Lipoate (B) Folate (C) Pyridoxine (D) Inositol

Last Answer : Answer : A

A cofactor required in oxidative decarboxylation of pyruvate is (A) Lipoate (B) Pantothenic acid (C) Biotin (D) Para aminobenzoic acid

Description : A cofactor required in oxidative decarboxylation of pyruvate is (A) Lipoate (B) Pantothenic acid (C) Biotin (D) Para aminobenzoic acid

Last Answer : Answer : A

Pyruvate dehydrogenase complex and α-ketoglutarate dehydrogenase complex require the following for their oxidative decarboxylation: (A) COASH and Lipoic acid (B) NAD+ and FAD (C) COASH and TPP (D) COASH, TPP,NAD+,FAD, Lipoate

Description : Pyruvate dehydrogenase complex and α-ketoglutarate dehydrogenase complex require the following for their oxidative decarboxylation: (A) COASH and Lipoic acid (B) NAD+ and FAD (C) COASH and TPP (D) COASH, TPP,NAD+,FAD, Lipoate

Last Answer : D

An example of feedback inhibition is (A) Allosteric inhibition of hexokinase by glucose6-phosphate (B) Cyanide action on cytochrome (C) Sulpha drug on folic acid synthesizer bacteria (D) Reaction between succinic dehydrogenase and succinic acid

Description : An example of feedback inhibition is (A) Allosteric inhibition of hexokinase by glucose6-phosphate (B) Cyanide action on cytochrome (C) Sulpha drug on folic acid synthesizer bacteria (D) Reaction between succinic dehydrogenase and succinic acid

Last Answer : Answer : A

Cobamides contain a vitamin which is (A) Folic acid (B) Ascorbic acid (C) Pantothenic acid (D) Vitamin B12

Description : Cobamides contain a vitamin which is (A) Folic acid (B) Ascorbic acid (C) Pantothenic acid (D) Vitamin B12

Last Answer : Answer : D

Coenzyme A contains a vitamin which is (A) Thiamin (B) Ascorbic acid (C) Pantothenic acid (D) Niacinamide

Description : Coenzyme A contains a vitamin which is (A) Thiamin (B) Ascorbic acid (C) Pantothenic acid (D) Niacinamide

Last Answer : Answer : C

Dictary deficiency of this vitamin leads to night blindness: (A) Retinol (B) Niacin (C) Ascorbic acid (D) Cholecalciferol VITAMINS 125

Description : Dictary deficiency of this vitamin leads to night blindness: (A) Retinol (B) Niacin (C) Ascorbic acid (D) Cholecalciferol VITAMINS 125

Last Answer : Answer : A

The vitamin having the highest daily requirement among the following is (A) Thiamin (B) Ribovflavin (C) Pyridoxine (D) Ascorbic acid

Description : The vitamin having the highest daily requirement among the following is (A) Thiamin (B) Ribovflavin (C) Pyridoxine (D) Ascorbic acid

Last Answer : Answer : D

An early diagnosis of vitamin C deficiency can be made by (A) Measuring plasma ascorbic acid (B) Measuring urinary ascorbic acid (C) Ascorbic acid saturation test (D) All of these

Description : An early diagnosis of vitamin C deficiency can be made by (A) Measuring plasma ascorbic acid (B) Measuring urinary ascorbic acid (C) Ascorbic acid saturation test (D) All of these

Last Answer : Answer : C

Vitamin C activity is present in (A) D-Ascorbic acid (B) D-Dehydroascorbic acid (C) L-Ascorbic acid (D) Both A and B

Description : Vitamin C activity is present in (A) D-Ascorbic acid (B) D-Dehydroascorbic acid (C) L-Ascorbic acid (D) Both A and B

Last Answer : Answer : C

Vitamin required in conversion of folic acid to folinic acid is (A) Biotin (B) Cobalamin (C) Ascorbic acid (D) Niacin

Description : Vitamin required in conversion of folic acid to folinic acid is (A) Biotin (B) Cobalamin (C) Ascorbic acid (D) Niacin

Last Answer : Answer : C

Vitamin required for the conversion of phydroxyphenylpyruvate to homogentisate is (A) Folacin (B) Cobalamin (C) Ascorbic acid (D) Niacin

Description : Vitamin required for the conversion of phydroxyphenylpyruvate to homogentisate is (A) Folacin (B) Cobalamin (C) Ascorbic acid (D) Niacin

Last Answer : Answer : D

In the individuals who are given liberal quantities of vitamin C, the serum ascorbic acid level is (A) 1–1.4 µg/100 ml (B) 2–4 µg/100 ml (C) 1–10 µg/100 ml (D) 10–20 µg/100 ml

Description : In the individuals who are given liberal quantities of vitamin C, the serum ascorbic acid level is (A) 1–1.4 µg/100 ml (B) 2–4 µg/100 ml (C) 1–10 µg/100 ml (D) 10–20 µg/100 ml

Last Answer : Answer : A

Worldwide, the most common vitamin deficiency is that of (A) Ascorbic acid (B) Folic acid (C) Vitamin A (D) Vitamin D

Description : Worldwide, the most common vitamin deficiency is that of (A) Ascorbic acid (B) Folic acid (C) Vitamin A (D) Vitamin D

Last Answer : B

All the isoenzymes function with the coenzyme: (A) NADP+ (B) FAD (C) Lipoate (D) NAD+

Description : All the isoenzymes function with the coenzyme: (A) NADP+ (B) FAD (C) Lipoate (D) NAD+

Last Answer : Answer : D

Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Description : Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Last Answer : (C) Ascorbic acid

By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- Interfere with normal nucleic acid synthesisInterfere with ergosterol biosynthesis and thus alter the structure of the cytoplasmic C- membrane as well as the function of several membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these

Description : By which of the following means antifungal chemotherapeutic agents may affect fungi? A- Interfere with nuclear division by preventing the aggregation of microtubules needed for mitosis B- ... membrane-bound enzymes like thoseinvolved in nutrient transport and chitin synthesis D- all of these

Last Answer : all of these

Another name of Vitamin C is (a) Folic acid (b) Ascorbic acid (c) Niacin (d) Acetic acid

Description : Another name of Vitamin C is (a) Folic acid (b) Ascorbic acid (c) Niacin (d) Acetic acid

Last Answer : Ans:(b)

The chemical name of vitamin C is (a) Citric acid (b) Ascorbic acid (c) Oxalic acid (d) Nitric acid

Description : The chemical name of vitamin C is (a) Citric acid (b) Ascorbic acid (c) Oxalic acid (d) Nitric acid

Last Answer : Ans:(b)

Vitamin C is also known as - (1) Amino acid (2) Ascorbic acid (3) Acetic acid (4) Azelaic acid

Description : Vitamin C is also known as - (1) Amino acid (2) Ascorbic acid (3) Acetic acid (4) Azelaic acid

Last Answer : (2) Ascorbic acid Explanation: Ascorbic acid is a naturally occurring organic com-pound with antioxidant properties which is one form of Vitamin C. It dissolves well in water to give mildly acidic solutions. It is used to prevent and treat scurvy, a disease caused by a lack of vitamin C in the body

Which of the following prevents bleeding of gums? (1) Ascorbic acid (2) Vitamin B (3) Nicothaamide (4) Thiamine

Description : Which of the following prevents bleeding of gums? (1) Ascorbic acid (2) Vitamin B (3) Nicothaamide (4) Thiamine

Last Answer : (1) Ascorbic acid Explanation: Vitamin C (Ascorbic acid) cures scurvy, which can cause abnormal gum bleeding. Excellent sources include citrus fruits such as oranges, lemons, limes, and grapefruits.

Which of the following is not a member of the vitamin B complex? (1) Thiamine (2) Riboflavin (3) Folic acid (4) Ascorbic acid

Description : Which of the following is not a member of the vitamin B complex? (1) Thiamine (2) Riboflavin (3) Folic acid (4) Ascorbic acid

Last Answer : (4) Ascorbic acid Explanation: Vitamin B complex consists of 8 vitamins namely B1, B2, B3, B5, B6, B7, B 9 and B12. Vitamin B1 is Thiamine, Vit B2 is Riboflavin, Vit B3 is Niacin, Vit B5 is pantothenic acid, Vit B6 is pyridoxine, biotin, folic acid and Vit B12 is cyanocobalamin.

The vitamin most readily destroyed by heat is – (1) Riboflavin (2) Ascorbic acid (3) Tocopherol (4) Thiamine

Description : The vitamin most readily destroyed by heat is – (1) Riboflavin (2) Ascorbic acid (3) Tocopherol (4) Thiamine

Last Answer : (2) Ascorbic acid Explanation: Vitamin C (Ascorbic Acid) is the most easily destroyed vitamin. It is destroyed by oxygen, heat (above 70 degrees) and it leaks out into the cooking water because ... until we need them. Steaming and stir-frying are two methods that help conserve vitamin C content.

Which of the following is known as Vitamin B1? (1) Retinol (2) Thiamin (3) Riboflavin (4) Ascorbic Acid

Description : Which of the following is known as Vitamin B1? (1) Retinol (2) Thiamin (3) Riboflavin (4) Ascorbic Acid

Last Answer : (2) Thiamin Explanation: Thiamine also called vitamin B 1, named as the "thio-vitamine" ("sulfurcontaining vitamin") is a watersoluble vitamin of the B complex. First named aneurin for ... the generic descriptor name vitamin B 1. Its phosphate derivatives are involved in many cellular processes.

Which one of the following is a fat-soluble vitamin and its related deficiency disease? (a) Retinol - Xerophthalmia (b) Cobalamine - Beri-beri (c) Calciferol - Pellagra (d) Ascorbic acid - Scurvy

Description : Which one of the following is a fat-soluble vitamin and its related deficiency disease? (a) Retinol - Xerophthalmia (b) Cobalamine - Beri-beri (c) Calciferol - Pellagra (d) Ascorbic acid - Scurvy

Last Answer : (a) Retinol - Xerophthalmia

Which vitamin is also known as Ascorbic acid?

Description : Which vitamin is also known as Ascorbic acid?

Last Answer : Vitamin-C

Which is not a vitamin (a) Ascorbic acid (b) Nicotinic acid (c) Folic acid (d) Lactic acid

Description : Which is not a vitamin (a) Ascorbic acid (b) Nicotinic acid (c) Folic acid (d) Lactic acid

Last Answer : (d) Lactic acid

Vitamin which is insoluble in fat: (a) Ascorbic acid (b) Calciferol (c) Both (d)None.

Description : Vitamin which is insoluble in fat: (a) Ascorbic acid (b) Calciferol (c) Both (d)None.

Last Answer : (a) Ascorbic acid

What is the Vitamin name for Ascorbic acid?

Description : What is the Vitamin name for Ascorbic acid?

Last Answer : ANSWER: VITAMIN C

Which one of the following is NOT a vitamin? w) ascorbic acid x) niacin (pron: nI-eh-sen) y) trypsin (pron: trip-sen) z) riboflavin (pron: rye-bow-fla-vin)

Description : Which one of the following is NOT a vitamin? w) ascorbic acid x) niacin (pron: nI-eh-sen) y) trypsin (pron: trip-sen) z) riboflavin (pron: rye-bow-fla-vin)

Last Answer : ANSWER: Y -- TRYPSIN

Which vitamin is called ascorbic acid, meaning "no scurvy"?

Description : Which vitamin is called ascorbic acid, meaning "no scurvy"?

Last Answer : ANSWER: VITAMIN C