Whcih of the following is a proenzyme? (A) Carboxypeptidase (B) Aminopeptidase (C) Chymotrypsin (D) Pepsinogen ENZYMES 159

Whcih of the following is a proenzyme? (A) Carboxypeptidase (B) Aminopeptidase (C) Chymotrypsin (D) Pepsinogen ENZYMES 159
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From the pentapeptide, phe-ala-leu-lysarg, phenylalanine residue is split off by (A) Trypsin (B) Chymotrypsin (C) Aminopeptidase (D) Carboxypeptidase

Description : From the pentapeptide, phe-ala-leu-lysarg, phenylalanine residue is split off by (A) Trypsin (B) Chymotrypsin (C) Aminopeptidase (D) Carboxypeptidase

Last Answer : Answer : C

Pancreatic juice contains the precursors of all of the following except (A) Trypsin (B) Chymotrypsin (C) Carboxypeptidase (D) Aminopeptidase

Description : Pancreatic juice contains the precursors of all of the following except (A) Trypsin (B) Chymotrypsin (C) Carboxypeptidase (D) Aminopeptidase

Last Answer : Answer : D

Inactive zymogens are precursors of all the following gastrointestinal enzymes except (A) Carboxypeptidase (B) Pepsin (C) Amino peptidase (D) Chymotrypsin

Description : Inactive zymogens are precursors of all the following gastrointestinal enzymes except (A) Carboxypeptidase (B) Pepsin (C) Amino peptidase (D) Chymotrypsin

Last Answer : Answer : C

How many enzymes are active in given enzymes ? Trypsin, Chymotrypsinogen, Pro carboxypeptidase, Pepsinogen, Rennin

Description : How many enzymes are active in given enzymes ? Trypsin, Chymotrypsinogen, Pro carboxypeptidase, Pepsinogen, Rennin

Last Answer : How many enzymes are active in given enzymes ? Trypsin, Chymotrypsinogen, Pro carboxypeptidase, Pepsinogen, Rennin A. 1 B. 2 C. 3 D. 4

The only correct statement about chymotrypsin is (A) It is formed from trypsin (B) Carboxypeptidase converts trypsin into chymotrypsin (C) Its optimum pH is around 7 (D) It hydrolyses peptide bonds involving basic amino acids

Description : The only correct statement about chymotrypsin is (A) It is formed from trypsin (B) Carboxypeptidase converts trypsin into chymotrypsin (C) Its optimum pH is around 7 (D) It hydrolyses peptide bonds involving basic amino acids

Last Answer : Answer : C

Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Description : Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Last Answer : Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Description : Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Last Answer : Name the cells found in gastric glands which secrets the proenzyme pepsinogen

Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+. (b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. (c) About 60% of starch is hydrolysed by salivary amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na

Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus

Description : Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c ... and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus

Last Answer : (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.

Which of the following set is required for digestion of protein (a) Rennin, lipase, pepsinogen (b) Rennin, pepsin, trypsin (c) Pepsin, trypsin, erepsin (d) Trypsin, chymotrypsin, rennin

Description : Which of the following set is required for digestion of protein (a) Rennin, lipase, pepsinogen (b) Rennin, pepsin, trypsin (c) Pepsin, trypsin, erepsin (d) Trypsin, chymotrypsin, rennin

Last Answer : (c) Pepsin, trypsin, erepsin

Zymogen cells of gastric gland secrete (a) Pepsinogen (b) Chymotrypsin (c) Pepsin (d) Trypsin

Description : Zymogen cells of gastric gland secrete (a) Pepsinogen (b) Chymotrypsin (c) Pepsin (d) Trypsin

Last Answer : (a) Pepsinogen

(Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal? (a) Pancreatic amylase → Salivary amylase → Lipases (b) Disaccharidase like maltase → Lipases → Nucleasesc) Salivary amylase → Pancreatic amylase → Disaccharidases (d) Salivary maltase → Carboxypeptidase → Trypsinogen

Description : Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal? (a) Pancreatic amylase → Salivary amylase ... (c) Salivary amylase → Pancreatic amylase → Disaccharidases (d) Salivary maltase → Carboxypeptidase → Trypsinogen

Last Answer : (c) Salivary amylase → Pancreatic amylase → Disaccharidases

The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Description : The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Last Answer : Answer : C

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

Which of the following is known as bone forming enzyme? (A) Alkaline phosphatase (B) Acid phosphatase (C) Leucine aminopeptidase (D) γ-glutamyl transpeptidase

Description : Which of the following is known as bone forming enzyme? (A) Alkaline phosphatase (B) Acid phosphatase (C) Leucine aminopeptidase (D) γ-glutamyl transpeptidase

Last Answer : Answer : A

Which of the following is a substratespecific enzyme? (A) Hexokinase (B) Thiokinase (C) Lactase (D) Aminopeptidase

Description : Which of the following is a substratespecific enzyme? (A) Hexokinase (B) Thiokinase (C) Lactase (D) Aminopeptidase

Last Answer : Answer : C

Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine

Description : Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine

Last Answer : Answer : C

Whcih one of the following is not a symptom of cushing’s disease? (A) Hyperglycemia (B) Hypernatremia (C) Hirsutism (D) Hyperkalemia

Description : Whcih one of the following is not a symptom of cushing’s disease? (A) Hyperglycemia (B) Hypernatremia (C) Hirsutism (D) Hyperkalemia

Last Answer : Answer : D

Whcih of the following hormone does not activate adenylate cyclase? (A) Epinephrine (B) Glucagon (C) Parathyroid hormone (D) Insulin

Description : Whcih of the following hormone does not activate adenylate cyclase? (A) Epinephrine (B) Glucagon (C) Parathyroid hormone (D) Insulin

Last Answer : Answer : D

Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY

Description : Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY

Last Answer : Answer : C

Rice-polishings contain whcih of the following Vitamin? (A) Riboflavin (B) Niacin (C) Thiamine (D) Vitamin B12

Description : Rice-polishings contain whcih of the following Vitamin? (A) Riboflavin (B) Niacin (C) Thiamine (D) Vitamin B12

Last Answer : Answer : C

Whcih of the following features are common to monosaccharides? (A) Contain asymmetric centres (B) Are of 2 types – aldoses and ketoses (C) Tend to exist as ring structures in solution (D) Include glucose, galactose and raffinose

Description : Whcih of the following features are common to monosaccharides? (A) Contain asymmetric centres (B) Are of 2 types – aldoses and ketoses (C) Tend to exist as ring structures in solution (D) Include glucose, galactose and raffinose

Last Answer : C

An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Description : An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Last Answer : Answer : A

Carboxypeptidase, an enzyme of pancreatic juice, contains (A) Mn (B) Zinc (C) Magnesium (D) Manganese

Description : Carboxypeptidase, an enzyme of pancreatic juice, contains (A) Mn (B) Zinc (C) Magnesium (D) Manganese

Last Answer : Answer : B

Which of the following is a proteolytic enzyme? (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) All of these

Description : Which of the following is a proteolytic enzyme? (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) All of these

Last Answer : Answer : D

The milk protein in the stomach of the infants is digested by (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) Rennin

Description : The milk protein in the stomach of the infants is digested by (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) Rennin

Last Answer : Answer : D

Chymotrypsin in the small intestine hydrolyzes peptide linkages containing (A) Alanine (B) Pheynl alanine (C) Valine (D) Methionine

Description : Chymotrypsin in the small intestine hydrolyzes peptide linkages containing (A) Alanine (B) Pheynl alanine (C) Valine (D) Methionine

Last Answer : Answer : B

The milk protein in the stomach of the infants is digested by (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) Rennin

Description : The milk protein in the stomach of the infants is digested by (A) Pepsin (B) Trypsin (C) Chymotrypsin (D) Rennin

Last Answer : Answer : D

Chymotrypsin is specific for peptide bonds containing (A) Uncharged amino acid residues (B) Acidic amino acids (C) Basic amino acid (D) Small amino acid residues

Description : Chymotrypsin is specific for peptide bonds containing (A) Uncharged amino acid residues (B) Acidic amino acids (C) Basic amino acid (D) Small amino acid residues

Last Answer : Answer : A

An expopeptidase is (A) Trypsin (B) Chymotrypsin (C) Elastase (D) Elastase

Description : An expopeptidase is (A) Trypsin (B) Chymotrypsin (C) Elastase (D) Elastase

Last Answer : Answer : D

The optimal pH for the enzyme chymotrypsin is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Description : The optimal pH for the enzyme chymotrypsin is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Last Answer : Answer : D

An enzyme in saliva which hydrolyzes starch is (A) Pepsinogen (B) Chymotrysin (C) α-Amylase (D) Malate

Description : An enzyme in saliva which hydrolyzes starch is (A) Pepsinogen (B) Chymotrysin (C) α-Amylase (D) Malate

Last Answer : Answer : C

Conversion of pepsinogen to pepsin is (A) Intra molecular rearrangement (B) Breaking of hydrogen bonds (C) Covalent modification (D) Polymerisation

Description : Conversion of pepsinogen to pepsin is (A) Intra molecular rearrangement (B) Breaking of hydrogen bonds (C) Covalent modification (D) Polymerisation

Last Answer : Answer : C

Proenzymes: (A) Chymotrysinogen (B) Pepsinogen (C) Both (A) and (B) (D) None of these

Description : Proenzymes: (A) Chymotrysinogen (B) Pepsinogen (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Description : All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Last Answer : Answer : D

Pepsinogen is converted to active pepsin by (A) HCl (B) Bile salts (C) Ca++ (D) Enterokinase

Description : Pepsinogen is converted to active pepsin by (A) HCl (B) Bile salts (C) Ca++ (D) Enterokinase

Last Answer : Answer : A

Leucine aminopeptidase - blood?

Description : Leucine aminopeptidase - blood?

Last Answer : DefinitionLeucine aminopeptidase is a protein, called an enzyme, that is normally found in liver cells.Serum leucine aminopeptidase is a test that measures how much of this protein is in your blood.Your ... blood collects into an airtight vial or tube attached to the needle. The elastic band is r

Under physiological conditions the rate limiting enzyme in the generation of angiotensin II is: A. Renin B. Angiotensin converting enzyme C. Aminopeptidase D. Angiotensinase

Description : Under physiological conditions the rate limiting enzyme in the generation of angiotensin II is: A. Renin B. Angiotensin converting enzyme C. Aminopeptidase D. Angiotensinase

Last Answer : A. Renin

In economics all goods and services that exist must be made by whcih of the following?

Description : In economics all goods and services that exist must be made by whcih of the following?

Last Answer : Need answer

`{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Description : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Last Answer : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D) ... 45, 40, 95, 40 D. 40, 45, 40, 40

What Reconcile this bank statement. Ending Balance 159.75 Outstanding Deposits 175.46 Outstanding Checks 231.69?

Description : What Reconcile this bank statement. Ending Balance 159.75 Outstanding Deposits 175.46 Outstanding Checks 231.69?

Last Answer : What is the answer ?

What is 159.410 to the nearest hundred?

Description : What is 159.410 to the nearest hundred?

Last Answer : It is then 200

Is 314 159 a prime number?

Description : Is 314 159 a prime number?

Last Answer : If you mean 314159 then it is a Prime number

my blood pressure is 159/99 is this life threatening?

Description : my blood pressure is 159/99 is this life threatening?

Last Answer : blood pressure 159 over 99 is this dangerous?

Total Population of Livestock in Pakistan is: A. 127.5 Million B. 130 Million C. 154.7 Million D. 159.3 Million

Description : Total Population of Livestock in Pakistan is: A. 127.5 Million B. 130 Million C. 154.7 Million D. 159.3 Million

Last Answer : ANSWER: C

Total Population of Livestock in Pakistan is: A. 127.5 Million B. 130 Million C. 154.7 Million D. 159.3 Million

Description : Total Population of Livestock in Pakistan is: A. 127.5 Million B. 130 Million C. 154.7 Million D. 159.3 Million

Last Answer : ANSWER: C

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Description : The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Last Answer : (B) 1837

For its activity, carboxypeptidase requires (a) zinc (b) iron (c) niacin (d) copper

Description : For its activity, carboxypeptidase requires (a) zinc (b) iron (c) niacin (d) copper

Last Answer : (a) zinc

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Description : The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000

Last Answer : Option C

Officially, hypertension is diagnosed when the patient demonstrates a systolic blood pressure greater than ______ mm Hg and a diastolic blood pressure greater than _____ mm Hg over a sustained period. a) 140, 90 According to the categories of blood pressure levels established by the JNC VI, stage 1 hypertension is demonstrated by a systolic pressure of 140–159 or a diastolic pressure of 90–99.

Description : Officially, hypertension is diagnosed when the patient demonstrates a systolic blood pressure greater than ______ mm Hg and a diastolic blood pressure greater than _____ mm Hg over a sustained period. a) ... , 70 Pressure of 120 systolic and 70 diastolic falls within the normal range for an adult.

Last Answer : a) 140, 90 According to the categories of blood pressure levels established by the JNC VI, stage 1 hypertension is demonstrated by a systolic pressure of 140–159 or a diastolic pressure of 90–99.