The major site of urea synthesis is (A) Brain (B) Kidneys (C) Liver (D) Muscles

The major site of urea synthesis is (A) Brain (B) Kidneys (C) Liver (D) Muscles
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Glucose-1-phosphate liberated from glycogen cannot be converted into free glucose in (A) Liver (B) Kidneys (C) Muscles (D) Brain

Description : Glucose-1-phosphate liberated from glycogen cannot be converted into free glucose in (A) Liver (B) Kidneys (C) Muscles (D) Brain

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Description : Glycolysis is anaerobic in (A) Liver (B) Brain (C) Kidneys (D) Erythrocytes

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Description : The normal resting state of humans, most of the blood glucose burnt as “fuel” is consumed by (A) Liver (B) Brain (C) Kidneys (D) Adipose tissue

Last Answer : B

The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma

Description : The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma

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The tissues with the highest total glycogen content are (A) Muscle and kidneys (B) Kidneys and liver (C) Liver and muscle (D) Brain and Liver

Description : The tissues with the highest total glycogen content are (A) Muscle and kidneys (B) Kidneys and liver (C) Liver and muscle (D) Brain and Liver

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Description : In the normal resting state of human most of the blood glucose burnt as fuel is consumed by (A) Liver (B) Brain (C) Adipose tissue (D) Muscles

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Description : Creatine kinase is present in all of the following except (A) Liver (B) Myocardium (C) Muscles (D) Brain

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Description : Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain

Last Answer : Answer : A

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Last Answer : Answer : D

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Description : Ketone bodies are synthesized in (A) Adipose tissue (B) Liver (C) Muscles (D) Brain

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Description : Meningitis is a disease which affects the (1) Kidneys (2) Liver (3) Heart (4) Brain

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Last Answer : (2) in the Brain Explanation: The pineal gland is a small endocrine gland in the vertebrate brain. It produces the serotonin derivative melatonin, a hormone that affects the modulation of wake/sleep patterns and, ... a tiny pine cone (hence its name), and it is located near the centre of the brain.

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Description : Meningitis is a disease which affects the (1) Kidneys (2) Liver (3) Heart (4) Brain

Last Answer : Brain

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Description : Where is the Pineal Gland situated? (1) in the Liver (2) in the Brain (3) in the Kidneys (4) in the Uterus 

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Description : Mechanism by which NH3 is removed from the kidneys is (A) Urea formation (B) Uric acid formation (C) Creatinine formation (D) None of these

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Urea synthesis takes place primarily in liver because

Description : Urea synthesis takes place primarily in liver because

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Description : 25-hydroxylation of Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestines (D) Pancreas

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Description : 1-hydroxylation of 25-hydroxy Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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Description : 25-hydroxylation of vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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Description : 1-hydroxylation of 25-OH vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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25-Hydroxylation of vitamin D occurs in (A) Skin (B) Liver (C) Kidneys (D) Intestinal mucosa

Description : 25-Hydroxylation of vitamin D occurs in (A) Skin (B) Liver (C) Kidneys (D) Intestinal mucosa

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Description : Acetoacetic acid and β-OH butyric acid are formed as (A) Kidneys (B) Heart (C) Liver (D) Intestine

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Select the option which shows correct matching of animal with its excretory organ and excretory product. Animal Excretory Excretory organ product (a) Labeo (Rohu) Nephridial Ammonia tubes (b) Salamander Kidneys Urea (c) Peacock Kidneys Urea (d) Housefly Renal tubules Uric acid

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An enzyme common to de novo synthesis of pyrimidine nucleotides and urea is (A) Urease (B) Carbamoyl phosphate synthetase (C) Aspartate transcarbamoylase (D) Argininosuccinase

Description : An enzyme common to de novo synthesis of pyrimidine nucleotides and urea is (A) Urease (B) Carbamoyl phosphate synthetase (C) Aspartate transcarbamoylase (D) Argininosuccinase

Last Answer : Answer : B

Hyperargininemia, a defect in urea synthesis develops due to deficiency of the enzyme: (A) Ornithine transcarbamoylase (B) Argininosuccinase (C) Arginase (D) Argininosuccinate synthetase ENZYMES 157

Description : Hyperargininemia, a defect in urea synthesis develops due to deficiency of the enzyme: (A) Ornithine transcarbamoylase (B) Argininosuccinase (C) Arginase (D) Argininosuccinate synthetase ENZYMES 157

Last Answer : Answer : B

In the synthesis of 1 molecule of urea in the Kreb’s Henseleit cycle the number of AMPs formed is (A) 1 (B) 2 (C) 3 (D) 4

Description : In the synthesis of 1 molecule of urea in the Kreb’s Henseleit cycle the number of AMPs formed is (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : Answer : A

In the synthesis of 1 molecule of urea in the Kreb’s Hanseleit cycle, the number of ATPs required is (A) 1 (B) 2 (C) 3 (D) 4

Description : In the synthesis of 1 molecule of urea in the Kreb’s Hanseleit cycle, the number of ATPs required is (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : Answer : C

Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase

Description : Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase

Last Answer : Answer : B

ATP is required in following reactions of urea cycle: (A) Synthesis of carbamoyl phosphate and citrulline (B) Synthesis of citrulline and argininosuccinate (C) Synthesis of argininosuccinate and arginine (D) Synthesis of carbamoyl phosphate and argininosuccinate

Description : ATP is required in following reactions of urea cycle: (A) Synthesis of carbamoyl phosphate and citrulline (B) Synthesis of citrulline and argininosuccinate (C) Synthesis of argininosuccinate and arginine (D) Synthesis of carbamoyl phosphate and argininosuccinate

Last Answer : Answer : C

Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity: (A) Both use ammonia as a substance (B) Both provide carbamoyl phosphate for urea synthesis (C) Both require N-acetylglutamate as an activator (D) Both are allosteric enzymes

Description : Cytosolic and mitochondrial carbamoyl phosphate synthetase have the following similarity: (A) Both use ammonia as a substance (B) Both provide carbamoyl phosphate for urea synthesis (C) Both require N-acetylglutamate as an activator (D) Both are allosteric enzymes

Last Answer : Answer : C

Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these

Description : Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Description : In urea synthesis, the amino acid functioning solely as an enzyme activator: (A) N-acetyl glutamate(B) Ornithine (C) Citrulline (D) Arginine

Last Answer : Answer : A

The number of ATP required for urea synthesis is (A) 0 (B) 1 (C) 2 (D) 3

Description : The number of ATP required for urea synthesis is (A) 0 (B) 1 (C) 2 (D) 3

Last Answer : Answer : D

The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus

Description : The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus

Last Answer : Answer : C

Almost all the urea is formed in this tissue: (A) Kidney (B) Urethra (C) Uterus (D) Liver

Description : Almost all the urea is formed in this tissue: (A) Kidney (B) Urethra (C) Uterus (D) Liver

Last Answer : Answer : D

When NH3 is perfused through a dog’s liver ______ is formed, while ______ is formed in the birds liver. (A) Urea, Uric acid (B) Urea, allantoin (C) Uric acid, creatinine (D) Uric acid, Urea

Description : When NH3 is perfused through a dog’s liver ______ is formed, while ______ is formed in the birds liver. (A) Urea, Uric acid (B) Urea, allantoin (C) Uric acid, creatinine (D) Uric acid, Urea

Last Answer : Answer : A

The biosynthesis of urea occurs mainly in the liver: (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nuclei

Description : The biosynthesis of urea occurs mainly in the liver: (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nuclei

Last Answer : Answer : B