Biotin is a coenzyme of the enzyme (A) Carboxylase (B) Hydroxylase (C) Decarboxylase (D) Deaminase

Biotin is a coenzyme of the enzyme  
(A) Carboxylase (B) Hydroxylase (C) Decarboxylase (D) Deaminase
by

1 Answer

Answer :

(A) Carboxylase
by

Related questions

Biotin is a coenzyme of the enzyme (A) Carboxylase (B) Hydroxylase (C) Decarboxylase (D) Deaminase

Description : Biotin is a coenzyme of the enzyme (A) Carboxylase (B) Hydroxylase (C) Decarboxylase (D) Deaminase

Last Answer : Answer : A

Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase

Description : Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase

Last Answer : (A) Carboxylase

Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme: (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase

Description : Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme: (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase

Last Answer : Answer : A

β-Carotene, precursor of vitamin A, is oxidatively cleaved by (A) β-Carotene dioxygenase (B) Oxygenase \ (C) Hydroxylase (D) Transferase

Description : β-Carotene, precursor of vitamin A, is oxidatively cleaved by (A) β-Carotene dioxygenase (B) Oxygenase \ (C) Hydroxylase (D) Transferase

Last Answer : (A) β-Carotene dioxygenase

When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Last Answer : (B) Avidin is inactivated but biotin remains unaffected

Which ot the following vitamin is involved in coenzyme function in tansaminations? (A) Nicotinamide (B) Pyridoxine (C) Thiamine (D) Riboflavin

Description : Which ot the following vitamin is involved in coenzyme function in tansaminations? (A) Nicotinamide (B) Pyridoxine (C) Thiamine (D) Riboflavin

Last Answer : B) Pyridoxine

Pyridoxal phosphate is a coenzyme for (A) Glycogen synthetase (B) Phosphorylase (C) Both (A) and (B) (D) None of these

Description : Pyridoxal phosphate is a coenzyme for (A) Glycogen synthetase (B) Phosphorylase (C) Both (A) and (B) (D) None of these

Last Answer : (B) Phosphorylase

Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Description : Coenzyme A contains a nitrogenous base which is (A) Adenine (B) Guanine (C) Choline (D) Ethanolamine

Last Answer : (A) Adenine

Pantothenic acid is a constituent of the coenzyme involved in (A) Decarboxylation (B) Dehydrogenation (C) Acetylation (D) Oxidation

Description : Pantothenic acid is a constituent of the coenzyme involved in (A) Decarboxylation (B) Dehydrogenation (C) Acetylation (D) Oxidation

Last Answer : (C) Acetylation

Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Description : Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Last Answer : (A) Oxidative decarboxylation

Biotin is a coenzyme for (A) Pyruvate dehydrogenase (B) Pyruvate carboxylase (C) PEP carboxykinase (D) Glutamate pyruvate transminase

Description : Biotin is a coenzyme for (A) Pyruvate dehydrogenase (B) Pyruvate carboxylase (C) PEP carboxykinase (D) Glutamate pyruvate transminase

Last Answer : Answer : B

Biotin is a coenzyme for (A) Pyruvate carboxylase (B) Acetyl CoA carboxylase (C) Propionyl CoA carboxylase (D) All of these

Description : Biotin is a coenzyme for (A) Pyruvate carboxylase (B) Acetyl CoA carboxylase (C) Propionyl CoA carboxylase (D) All of these

Last Answer : Answer : D

The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase

Description : The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase

Last Answer : Answer : A

In the synthetic pathway of epinephrine, disulfiram (antabuse) inhibits the enzyme: (A) Tyrosine hydroxylase (B) Dopamine β-hydroxylase (C) DOPA decarboxylase (D) N-methyl transferase

Description : In the synthetic pathway of epinephrine, disulfiram (antabuse) inhibits the enzyme: (A) Tyrosine hydroxylase (B) Dopamine β-hydroxylase (C) DOPA decarboxylase (D) N-methyl transferase

Last Answer : Answer : B

For Catecholamine biosynthesis the rate limiting enzyme is (A) DOPA decarboxylase (B) DOPAMINE β-hydroxylase (C) Tyrosine hydroxylase (D) Phenylalanine hydroxylase

Description : For Catecholamine biosynthesis the rate limiting enzyme is (A) DOPA decarboxylase (B) DOPAMINE β-hydroxylase (C) Tyrosine hydroxylase (D) Phenylalanine hydroxylase

Last Answer : Answer : C

An inborn error, maple syrup urine disease is due to deficiency of the enzyme: (A) Isovaleryl-CoAhydrogenase (B) Phenylalnine hydroxylase (C) Adenosyl transferase (D) α-Ketoacid decarboxylase

Description : An inborn error, maple syrup urine disease is due to deficiency of the enzyme: (A) Isovaleryl-CoAhydrogenase (B) Phenylalnine hydroxylase (C) Adenosyl transferase (D) α-Ketoacid decarboxylase

Last Answer : Answer : D

The rate limiting enzyme in the synthesis of catecholamines is: A. Tyrosine hydroxylase B. Dopa decarboxylase C. Dopamine β-hydroxylase D. Noradrenaline N-methyl transferase

Description : The rate limiting enzyme in the synthesis of catecholamines is: A. Tyrosine hydroxylase B. Dopa decarboxylase C. Dopamine β-hydroxylase D. Noradrenaline N-methyl transferase

Last Answer : A. Tyrosine hydroxylase

The rate limiting enzyme in the synthesis of catecholamines is: A. Tyrosine hydroxylase B. Dopa decarboxylase C. Dopamine β-hydroxylase D. Noradrenaline N-methyl transferase

Description : The rate limiting enzyme in the synthesis of catecholamines is: A. Tyrosine hydroxylase B. Dopa decarboxylase C. Dopamine β-hydroxylase D. Noradrenaline N-methyl transferase

Last Answer : A. Tyrosine hydroxylase

The defective enzyme in histidinemia is (A) Histidine carboxylase (B) Histidine decarboxylase (C) Histidase (D) Histidine oxidase

Description : The defective enzyme in histidinemia is (A) Histidine carboxylase (B) Histidine decarboxylase (C) Histidase (D) Histidine oxidase

Last Answer : Answer : C

Which of the following compound is a positive allosteric modifier of the enzyme pyruvate carboxylase? (A) Biotin (B) Acetyl CoA (C) Oxaloacetate (D) ATP

Description : Which of the following compound is a positive allosteric modifier of the enzyme pyruvate carboxylase? (A) Biotin (B) Acetyl CoA (C) Oxaloacetate (D) ATP

Last Answer : A

Enzymic deficiency in β-aminoisobutyric aciduria is (A) Adenosine deaminase (B) Xanthine oxidase (C) Orotidylate decarboxylase (D) Transaminase

Description : Enzymic deficiency in β-aminoisobutyric aciduria is (A) Adenosine deaminase (B) Xanthine oxidase (C) Orotidylate decarboxylase (D) Transaminase

Last Answer : Answer : D

Epinephrine is rapidly metabolized by (A) Monoamine oxidase (B) Deaminase (C) Transminase (D) Decarboxylase

Description : Epinephrine is rapidly metabolized by (A) Monoamine oxidase (B) Deaminase (C) Transminase (D) Decarboxylase

Last Answer : Answer : A

Tryptophan pyrolase is currently known as (A) Tryptophan deaminase (B) Tryptophan dioxygenase (C) Tryptophan mono oxygenase (D) Tryptophan decarboxylase

Description : Tryptophan pyrolase is currently known as (A) Tryptophan deaminase (B) Tryptophan dioxygenase (C) Tryptophan mono oxygenase (D) Tryptophan decarboxylase

Last Answer : Answer : B

The following co-enzyme is needed for the oxidative decarboxylation of ketoacids: (A) NADP+ (B) TPP (C) Folate coenzyme (D) Biotin coenzyme

Description : The following co-enzyme is needed for the oxidative decarboxylation of ketoacids: (A) NADP+ (B) TPP (C) Folate coenzyme (D) Biotin coenzyme

Last Answer : B

The rate limiting step in catecholamine synthesis is catalysed by (A) Phenylalanine hydroxylase (B) Tyrosine hydroxylase (C) Dopa decarboxylase (D) Phenylethanolamine N-methyl transferase

Description : The rate limiting step in catecholamine synthesis is catalysed by (A) Phenylalanine hydroxylase (B) Tyrosine hydroxylase (C) Dopa decarboxylase (D) Phenylethanolamine N-methyl transferase

Last Answer : Answer : B

The biosynthesis of both Catecholamine and serotonin require (A) Tyrosine hydroxylase (B) N-methyl transferase (C) Aromatic amino acid decarboxylase (D) Tryptophan pyrrolase

Description : The biosynthesis of both Catecholamine and serotonin require (A) Tyrosine hydroxylase (B) N-methyl transferase (C) Aromatic amino acid decarboxylase (D) Tryptophan pyrrolase

Last Answer : Answer : B

Which of the following is/are not a substrate or cofactor for prolyl hydroxylase? A. Alpha-ketoglutarate. B. Ascorbate. C. Biotin. D. Oxygen. E. Copper.

Description : Which of the following is/are not a substrate or cofactor for prolyl hydroxylase? A. Alpha-ketoglutarate. B. Ascorbate. C. Biotin. D. Oxygen. E. Copper.

Last Answer : Answer: CE DISCUSSION: Prolyl hydroxylase is one of the rate-limiting enzymes in collagen synthesis. Substrates and cofactors such as iron, alpha-ketoglutarate, ascorbate, and oxygen are ... broken down. Thus, ascorbate deficiency (scurvy) and hypoxia have similar effects on collagen synthesis

Should I switch to the vitamins of my youth?

Description : Should I switch to the vitamins of my youth?

Last Answer : I take Flintstones. If you’re a guy make sure you don’t buy the one with iron.

What vitamins and/or supplements do you take daily?

Description : What vitamins and/or supplements do you take daily?

Last Answer : answer:My wife is a dietitian and recommends the supplements listed below for me. Also 6 cardiologists have OK'd them for me to take. I take them in the morning (except melatonin) with two 16 oz ... ) Melatonin 1.5 mg (sleep) Turmeric 450 mg (anti inflammatory) DRUGS: Aspirin 325mg (anticoagulant)

Is this too many capsules to take daily and, if so , why?

Description : Is this too many capsules to take daily and, if so , why?

Last Answer : This is why all these weird pills specify on the bottles “Not approved by the FDA.”

How fast should we drink our orange juice?

Description : How fast should we drink our orange juice?

Last Answer : I’m not sure we should be drinking orange juice at any speed.

Aside from vitamin pills how can I get vitamin e?

Description : Aside from vitamin pills how can I get vitamin e?

Last Answer : Avocados, tofu, almonds, to name a few.

How much do you trust the vitamins and herbs you take?

Description : How much do you trust the vitamins and herbs you take?

Last Answer : Well, I take renal multivitamins and vitamin D as prescribed by my physician, so I trust them well enough. As I said before I do not take herbal supplements.

Is it significant if a B-complex vitamin stains urine?

Description : Is it significant if a B-complex vitamin stains urine?

Last Answer : B-vitamins are water soluble and you will piss bright yellow any surplus. If you feel improvement, consider taking a lower dosage and seeing if that is adequate.

If you were only allowed to take a single supplement, what would it be? Why that one?

Description : If you were only allowed to take a single supplement, what would it be? Why that one?

Last Answer : The only supplement that seems to be consistently touted for health benefits is fish oil, as far as I can tell. Seems like everything else has conflicting research results.

Why do I feel sick after taking my vitamins?

Description : Why do I feel sick after taking my vitamins?

Last Answer : This is very common, especially certain vitamins and minerals when taken in large doses, but assuming you are talking about an average daily vitamin that only has 100% of the USRDA or less for each ingredient ... think it is a great idea to take a daily vitamin especially if you are not eating well.

What would happen if I accidentally took an extra vitamin dose for the day?

Description : What would happen if I accidentally took an extra vitamin dose for the day?

Last Answer : Nothing

What is the point in taking Vitamin supplements?

Description : What is the point in taking Vitamin supplements?

Last Answer : Most diets are missing some of the vitamins. Just don’t go overboard on the fat soluble vitamins, they can have side affects. And, Welcome to fluther.

How do I take a multivitamin that makes me throw up because it's so gross?

Description : How do I take a multivitamin that makes me throw up because it's so gross?

Last Answer : How is a B12 vitamin a multivitamin? Is it B12 or a multivitamin?

What vitamin brand makes small calcium pills?

Description : What vitamin brand makes small calcium pills?

Last Answer : answer:We give my very old mother “Citracal Petites” because they are small. http://www.citracal.com/Product/Tablets-Caplets.aspx

Which vitamins do you use daily & why?

Description : Which vitamins do you use daily & why?

Last Answer : One A Day for Men. It’s a good overall multi-vitamin and it’s affordable. Has extra selenium which is good for the male reproductive system.

Vitamins or supplements with multi-pill dosages: all at once, or throughout the day?

Description : Vitamins or supplements with multi-pill dosages: all at once, or throughout the day?

Last Answer : Dosages from the same type medication you can take at once. But a tip: If you take Codfishoil, some get a foul taste in their mouth during the day, as well as bad breath. Take it before you go to bed ... when you take the oil instead of in pill-form. Taste like sh*t, but it's what works the best!

Is there any chance that people will stop buying over the counter vitamins?

Description : Is there any chance that people will stop buying over the counter vitamins?

Last Answer : Or the supplement market will thrive as we are forced to live off of Top Ramen and Hot Dogs.

Are there any vitamins or herbal supplements that can aid in focus or memory?

Description : Are there any vitamins or herbal supplements that can aid in focus or memory?

Last Answer : Do you where glasses, If so when was the last time you got your eye’s checked out? In your case, is it that you can’t remember where you put your glasses?

Transketolase activity is affected in (A) Bitoin deficiency (B) Pyridoxine deficiency (C) PABA deficiency (D) Thiamine deficiency

Description : Transketolase activity is affected in (A) Bitoin deficiency (B) Pyridoxine deficiency (C) PABA deficiency (D) Thiamine deficiency

Last Answer : D) Thiamine deficiency

During deficiency of thiamine the concentration of the following compound rises in blood and intracellular fluid: (A) Glycogen (B) Sugar (C) Amino acids (D) Pyruvic acid

Description : During deficiency of thiamine the concentration of the following compound rises in blood and intracellular fluid: (A) Glycogen (B) Sugar (C) Amino acids (D) Pyruvic acid

Last Answer : (D) Pyruvic acid

Convulsive episodes occur when there is a severe deficiency of: (A) Pyridoxine (B) Folic acid (C) Thiamine (D) Riboflavin

Description : Convulsive episodes occur when there is a severe deficiency of: (A) Pyridoxine (B) Folic acid (C) Thiamine (D) Riboflavin

Last Answer : (A) Pyridoxine

Antirachitic vitamin is (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Description : Antirachitic vitamin is (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K

Last Answer : (D) Vitamin K

Sterilized milk is devoid of (A) Vitamin A (B) Vitamin B1 (C) Vitamin C (D) Vitamin D

Description : Sterilized milk is devoid of (A) Vitamin A (B) Vitamin B1 (C) Vitamin C (D) Vitamin D

Last Answer : (C) Vitamin C

Ascorbic acid can reduce A) 2, 4-dinitro benzene (B) 2, 6-Dichlorophenol Indophenol (C) 2, 4-dibromobenzene (D) 2, 6-dibromo benzene

Description : Ascorbic acid can reduce A) 2, 4-dinitro benzene (B) 2, 6-Dichlorophenol Indophenol (C) 2, 4-dibromobenzene (D) 2, 6-dibromo benzene

Last Answer : (B) 2, 6-Dichlorophenol Indophenol