A Holoenzyme is (A) Functional unit (B) Apo enzyme (C) Coenzyme (D) All of these

A Holoenzyme is (A) Functional unit (B) Apo enzyme (C) Coenzyme (D) All of these
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If a coenzyme is required in an enzyme reaction, the former usually has the function of (A) Acting as an acceptor for one of the cleavage products of the substrate (B) Enhancing the specificity of the apo enzyme (C) Increasing the number of receptor sites of the apo enzyme (D) Activating the substrate ENZYMES 167

Description : If a coenzyme is required in an enzyme reaction, the former usually has the function of (A) Acting as an acceptor for one of the cleavage products of the substrate (B) Enhancing the specificity ... C) Increasing the number of receptor sites of the apo enzyme (D) Activating the substrate ENZYMES 167

Last Answer : Answer : A

Combination of apoenzyme and coenzyme produces (A) Prosthetic group (B) Holoenzyme (C) Enzyme substrate complex (D) Enzyme product complex

Description : Combination of apoenzyme and coenzyme produces (A) Prosthetic group (B) Holoenzyme (C) Enzyme substrate complex (D) Enzyme product complex

Last Answer : Answer : B

An organic substance bound to an enzyme and essential for the activity of enzyme is called (A) Holoenzyme (B) Apoenzyme (C) Coenzyme (D) Isoenzyme

Description : An organic substance bound to an enzyme and essential for the activity of enzyme is called (A) Holoenzyme (B) Apoenzyme (C) Coenzyme (D) Isoenzyme

Last Answer : Answer : C

The active form of enzyme is A- apoenzyme B- coenzyme C- holoenzyme D- none of these

Description : The active form of enzyme is A- apoenzyme B- coenzyme C- holoenzyme D- none of these

Last Answer : holoenzyme

Part of enzyme which combines with nonprotein part to form functional enzyme is (A) Apoenzyme (B) Coenzyme (C) Prosthetic group (D) None of these

Description : Part of enzyme which combines with nonprotein part to form functional enzyme is (A) Apoenzyme (B) Coenzyme (C) Prosthetic group (D) None of these

Last Answer : Answer : C

Which of the following statements is correct with reference to enzymes? (a) Holoenzyme = Apoenzyme + Coenzyme (b) Coenzyme = Apoenzyme + Holoenzyme (c) Holoenzyme = Coenzyme + Co-factor (d) Apoenzyme = Holoenzyme + Coenzyme

Description : Which of the following statements is correct with reference to enzymes? (a) Holoenzyme = Apoenzyme + Coenzyme (b) Coenzyme = Apoenzyme + Holoenzyme (c) Holoenzyme = Coenzyme + Co-factor (d) Apoenzyme = Holoenzyme + Coenzyme

Last Answer : a) Holoenzyme = Apoenzyme + Coenzyme

Which one of the following statements is correct , with reference to enzymes ? (1) Holoenzyme = Apoenzyme + Coenzyme (2) Coenzyme = Apoenzyme + Holoenzyme (3) Holoenzyme = Coenzyme + Co-factor (4) Apoenzyme = Holoenzyme + Coenzyme

Description : Which one of the following statements is correct , with reference to enzymes ? (1) Holoenzyme = Apoenzyme + Coenzyme (2) Coenzyme = Apoenzyme + Holoenzyme (3) Holoenzyme = Coenzyme + Co-factor (4) Apoenzyme = Holoenzyme + Coenzyme

Last Answer : (1) Holoenzyme = Apoenzyme + Coenzyme

Ribonucleotides of RNA primer are replaced by deoxyribonucleotides by the enzyme: (A) DNA polymerase I (B) DNA polymerase II (C) DNA polymerase III holoenzyme (D) All of these

Description : Ribonucleotides of RNA primer are replaced by deoxyribonucleotides by the enzyme: (A) DNA polymerase I (B) DNA polymerase II (C) DNA polymerase III holoenzyme (D) All of these

Last Answer : Answer : A

The main product of glycolysis under aerobic conditions is a. Pyruvate b. Lactate c. None of these d. Both a and b Ans: A 2. The protein moiety of an enzyme is known as a. Holo enzyme b. Apo enzyme c. Co enzyme d. Enzyme

Description : The main product of glycolysis under aerobic conditions is a. Pyruvate b. Lactate c. None of these d. Both a and b Ans: A 2. The protein moiety of an enzyme is known as a. Holo enzyme b. Apo enzyme c. Co enzyme d. Enzyme

Last Answer : Ans: B

Non protein part of enzyme is called (a) Iso-enzyme (b) Holo-enzyme (c) Apo-enzyme (d)Prosthatic group

Description : Non protein part of enzyme is called (a) Iso-enzyme (b) Holo-enzyme (c) Apo-enzyme (d)Prosthatic group

Last Answer : (d)Prosthatic group

One functional sub-unit of multi-enzyme complex for de novo synthesis of fatty acids contains (A) One —SH group (B) Two —SH groups (C) Three —SH groups (D) Four —SH groups FATS AND FATTY ACID METABOLISM 87

Description : One functional sub-unit of multi-enzyme complex for de novo synthesis of fatty acids contains (A) One —SH group (B) Two —SH groups (C) Three —SH groups (D) Four —SH groups FATS AND FATTY ACID METABOLISM 87

Last Answer : Answer : B

Protein part of enzyme is know as – (1) Isoenzyme (2) Holoenzyme (3) Apoenzyme (4) All the above

Description : Protein part of enzyme is know as – (1) Isoenzyme (2) Holoenzyme (3) Apoenzyme (4) All the above

Last Answer : (3) Apoenzyme Explanation: Enzymes are defined as biological catalysts. Chemically all enzymes are globular proteins. Each enzyme catalyses only one chemical reaction. Protein part of enzyme is known as Apoenzyme.

Protein portion of an enzyme when it is combined with organic molecule is termed as A- apoenzyme B- co-enzyme C- holoenzyme D- co-factors

Description : Protein portion of an enzyme when it is combined with organic molecule is termed as A- apoenzyme B- co-enzyme C- holoenzyme D- co-factors

Last Answer : apoenzyme

Protein part of enzyme is know as (1) Isoenzyme (2) Holoenzyme (3) Apoenzyme (4) All the above

Description : Protein part of enzyme is know as (1) Isoenzyme (2) Holoenzyme (3) Apoenzyme (4) All the above

Last Answer : Apoenzyme

Hormones (A) Act as coenzyme (B) Act as enzyme (C) Influence synthesis of enzymes (D) Belong to B-complex group

Description : Hormones (A) Act as coenzyme (B) Act as enzyme (C) Influence synthesis of enzymes (D) Belong to B-complex group

Last Answer : Answer : C

An inorganic ion required for the activity of an enzyme is known as (A) Activator (B) Cofactor (C) Coenzyme (D) None of these

Description : An inorganic ion required for the activity of an enzyme is known as (A) Activator (B) Cofactor (C) Coenzyme (D) None of these

Last Answer : Answer : B

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

Riboflavin is a coenzyme in the reaction catalysed by the enzyme (A) Acyl CoA synthetase (B) Acyl CoA dehydrogenase (C) β-Hydroxy acyl CoA (D) Enoyl CoA dehydrogenase

Description : Riboflavin is a coenzyme in the reaction catalysed by the enzyme (A) Acyl CoA synthetase (B) Acyl CoA dehydrogenase (C) β-Hydroxy acyl CoA (D) Enoyl CoA dehydrogenase

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

Bassen-Kornzweig syndrome is due to (A) Absence of Apo-C-II (B) Defect in Apo-B synthesis (C) Absence of Apo-E (D) Absence of Apo-D

Description : Bassen-Kornzweig syndrome is due to (A) Absence of Apo-C-II (B) Defect in Apo-B synthesis (C) Absence of Apo-E (D) Absence of Apo-D

Last Answer : Answer : B

Nascent HDL of intestinal origin acquires Apo C and Apo E from (A) Chylomicrons (B) VLDL (C) LDL (D) HDL of the hepatic origin

Description : Nascent HDL of intestinal origin acquires Apo C and Apo E from (A) Chylomicrons (B) VLDL (C) LDL (D) HDL of the hepatic origin

Last Answer : Answer : D

Nascent HDL of intestinal origin lacks (A) Apo A (B) Apo C (C) Apo E (D) Apo C and Apo E

Description : Nascent HDL of intestinal origin lacks (A) Apo A (B) Apo C (C) Apo E (D) Apo C and Apo E

Last Answer : Answer : D

LDL receptor is specific for (A) Apo B-48 and Apo B 100 (B) Apo B-48 and Apo E (C) Apo B-100 and Apo D (D) Apo B-100 and apo D

Description : LDL receptor is specific for (A) Apo B-48 and Apo B 100 (B) Apo B-48 and Apo E (C) Apo B-100 and Apo D (D) Apo B-100 and apo D

Last Answer : Answer : C

Receptors for chylomicron remnants are (A) Apo A specific (B) Apo B-48 specific (C) Apo C specific (D) Apo E specific

Description : Receptors for chylomicron remnants are (A) Apo A specific (B) Apo B-48 specific (C) Apo C specific (D) Apo E specific

Last Answer : Answer : B

A significant feature of Broad Beta disease is (A) Hypocholesterolemia (B) Hypotriacylglycerolemia (C) Absence of Apo-D (D) Abnormality of Apo-E

Description : A significant feature of Broad Beta disease is (A) Hypocholesterolemia (B) Hypotriacylglycerolemia (C) Absence of Apo-D (D) Abnormality of Apo-E

Last Answer : Answer : D

A significant feature of Tangier disease is (A) Impairment of chylomicron formation (B) Hypotriacylglycerolmia (C) Absence of Apo-C-II (D) Absence of Apo-C-I

Description : A significant feature of Tangier disease is (A) Impairment of chylomicron formation (B) Hypotriacylglycerolmia (C) Absence of Apo-C-II (D) Absence of Apo-C-I

Last Answer : Answer : C

The largest alpolipoprotein is (A) Apo E (B) Apo B-48 (C) Apo B-100 (D) Apo A-I

Description : The largest alpolipoprotein is (A) Apo E (B) Apo B-48 (C) Apo B-100 (D) Apo A-I

Last Answer : Answer : C

In abetalipoproteinemia, the biochemical defect is in (A) Apo-B synthesis (B) Lipprotein lipase activity (C) Cholesterol ester hydrolase (D) LCAT activity

Description : In abetalipoproteinemia, the biochemical defect is in (A) Apo-B synthesis (B) Lipprotein lipase activity (C) Cholesterol ester hydrolase (D) LCAT activity

Last Answer : Answer : A

The apolipoprotein which acts as actiator of extrahepatic lipoprotein is (A) Apo-A (B) Apo-B (C) Apo-C (D) Apo-D

Description : The apolipoprotein which acts as actiator of extrahepatic lipoprotein is (A) Apo-A (B) Apo-B (C) Apo-C (D) Apo-D

Last Answer : Answer : C

Lactose or its analogues act as positive regulators of lac operon by (A) Attaching to i gene and preventing its expression (B) Increasing the synthesis of catabolite gene activator protein (C) Attaching to promoter region and facilitating the binding of RNA polymerase holoenzyme (D) Binding to repressor subunits so that the repressor cannot attach to the operator locus

Description : Lactose or its analogues act as positive regulators of lac operon by (A) Attaching to i gene and preventing its expression (B) Increasing the synthesis of catabolite gene activator protein (C) ... holoenzyme (D) Binding to repressor subunits so that the repressor cannot attach to the operator locus

Last Answer : Answer : D

Binding of RNA polymerase holoenzyme to the promoter region of lac operon is facilitated by (A) Catabolite gene activator protein (CAP) (B) cAMP (C) CAP-cAMP complex (D) None of these

Description : Binding of RNA polymerase holoenzyme to the promoter region of lac operon is facilitated by (A) Catabolite gene activator protein (CAP) (B) cAMP (C) CAP-cAMP complex (D) None of these

Last Answer : Answer : C

RNA polymerase holoenzyme binds to lac operon at the following site: (A) i gene (B) z gene (C) Operator locus (D) Promoter region

Description : RNA polymerase holoenzyme binds to lac operon at the following site: (A) i gene (B) z gene (C) Operator locus (D) Promoter region

Last Answer : Answer : D

DNA polymerase III holoenzyme possesses (A) Polymerase activity (B) 3’→5’ Exonuclease activity (C) 5’→3’ Exonuclease and polymerase activities (D) 3’→5’ Exonuclease and polymerase activities

Description : DNA polymerase III holoenzyme possesses (A) Polymerase activity (B) 3’→5’ Exonuclease activity (C) 5’→3’ Exonuclease and polymerase activities (D) 3’→5’ Exonuclease and polymerase activities

Last Answer : Answer : D

Negative supercoils are introduced in DNA by (A) Helicase (B) DNA ligase (C) DNA gyrase (D) DNA polymerase III holoenzyme

Description : Negative supercoils are introduced in DNA by (A) Helicase (B) DNA ligase (C) DNA gyrase (D) DNA polymerase III holoenzyme

Last Answer : Answer : C

Deoxyribonucleotides are added to RNA primer by (A) DNA polymerase I (B) DNA polymerase II (C) DNA polymerase III holoenzyme (D) All of these

Description : Deoxyribonucleotides are added to RNA primer by (A) DNA polymerase I (B) DNA polymerase II (C) DNA polymerase III holoenzyme (D) All of these

Last Answer : Answer : C

Cofactor (Prosthetic group) is a part of holoenzyme, it is (A) Inorganic part loosely attached (B) Accessory non-protein substance attached firmly (C) Organic part attached loosely (D) None of these

Description : Cofactor (Prosthetic group) is a part of holoenzyme, it is (A) Inorganic part loosely attached (B) Accessory non-protein substance attached firmly (C) Organic part attached loosely (D) None of these

Last Answer : Answer : B

If all the enzymes, intermediates and cofactors of the citric acid cycle as well as an excess of the starting substrate acetylCoA are present and functional in an organelle free solution at the appropriate pH, which of the following factors of the citric acid cycle would prove to be rate limiting? (A) Molecular oxygen (B) Half life of enzyme (C) Turnover of intermediates (D) Reduction of cofactors

Description : If all the enzymes, intermediates and cofactors of the citric acid cycle as well as an excess of the starting substrate acetylCoA are present and functional in an organelle free solution at the appropriate ... oxygen (B) Half life of enzyme (C) Turnover of intermediates (D) Reduction of cofactors

Last Answer : Answer : D

A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Last Answer : Answer : D

An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Description : An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Last Answer : Answer : A

Which is a functional enzyme in plasma?

Description : Which is a functional enzyme in plasma?

Last Answer : They are actively secreted into plasma, and have some functions in the blood. For example, enzymes of blood coagulation.

Consider the following statements. (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option. (a) (A) is false but (B) is true. (b) Both (A) and (B) are true. (c) (A) is true but (B) is false. (d) Both (A) and (B) are false

Description : Consider the following statements. (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the ... ) (A) is true but (B) is false. (d) Both (A) and (B) are false

Last Answer : (d) Both (A) and (B) are false.

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 : (A) Carboxylase

When mailing personal correspondence First Class from an APO?

Description : When mailing personal correspondence First Class from an APO?

Last Answer : when mailing personal correspondence, First Class, from an APOto a stateside address, what can you use in place of postage

What is a que 100 APO pill?

Description : What is a que 100 APO pill?

Last Answer : Need answer

The APO shall renew its Certificate of Accreditation once every how many years after the date of the Resolution granting the petition for re-accreditation and the issuance of the said certificate upon submission of the requirements? a. 2 years b. 3 years c. 4 years d. 6 years

Description : The APO shall renew its Certificate of Accreditation once every how many years after the date of the Resolution granting the petition for re-accreditation and the issuance of the said certificate upon submission of the requirements? a. 2 years b. 3 years c. 4 years d. 6 years

Last Answer : 3 years

The APO shall submit its nominations with complete documentation to the Commission not later than ______ prior to the expiry of the term of an incumbent chairman or member. a. 30 days b. 60 days c. 90 days d. 120 days

Description : The APO shall submit its nominations with complete documentation to the Commission not later than ______ prior to the expiry of the term of an incumbent chairman or member. a. 30 days b. 60 days c. 90 days d. 120 days

Last Answer : 60 days

What is a holoenzyme? -Biology

Description : What is a holoenzyme? -Biology

Last Answer : Holoenzymes are the active forms of enzymes. Enzymes that require a cofactor but are not bound by one are called apoenzymes. Holoenzymes represent the apoenzyme bound to its necessary cofactors or prosthetic groups.

difference between apoenzyme and holoenzyme -Biology

Description : difference between apoenzyme and holoenzyme -Biology

Last Answer : answer:

difference between apoenzyme and holoenzyme -Biology

Description : difference between apoenzyme and holoenzyme -Biology

Last Answer : answer:

During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called? (a) AAAT box (b) TATA box (c) GGTT box (d) CAAT box

Description : During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called? (a) AAAT box (b) TATA box (c) GGTT box (d) CAAT box

Last Answer : (c) GGTT box