Cori cycle is (A) Synthesis of glucose (B) reuse of glucose (C) uptake of glycose (D) Both (A) & (B)

Cori cycle is (A) Synthesis of glucose (B) reuse of glucose (C) uptake of glycose (D) Both (A) & (B)
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Insulin: a. is secreted as a pro-insulin b. increases protein synthesis c. is required for glucose uptake in all tissues d. is a steroid hormone

Description : Insulin: a. is secreted as a pro-insulin b. increases protein synthesis c. is required for glucose uptake in all tissues d. is a steroid hormone

Last Answer : is secreted as a pro-insulin

The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Description : The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Last Answer : . increase hepatic glycogen synthesis

cori cycle involves

Description : cori cycle involves

Last Answer : cori cycle involves A. Liver B. Muscles C. Liver and muscles both D. None the these

In ureotelic animals, urea is formed by (a) Krebs’ cycle (b) EM pathway (c) Ornithine cycle (d) Cori cycle.

Description : In ureotelic animals, urea is formed by (a) Krebs’ cycle (b) EM pathway (c) Ornithine cycle (d) Cori cycle.

Last Answer : (c) Ornithine cycle

Cori disease (Limit dextrinosis) is caused due to absence of (A) Branching enzyme (B) Debranching enzyme (C) Glycogen synthase (D) Phosphorylase

Description : Cori disease (Limit dextrinosis) is caused due to absence of (A) Branching enzyme (B) Debranching enzyme (C) Glycogen synthase (D) Phosphorylase

Last Answer : Answer : B

Insulin is required for the active uptake of glucose by most of the cells except (A) Muscle cells (B) Renal tubular cells (C) Adipocytes (D) Liver cells

Description : Insulin is required for the active uptake of glucose by most of the cells except (A) Muscle cells (B) Renal tubular cells (C) Adipocytes (D) Liver cells

Last Answer : Answer : D

Deficiency of insulin results in (A) Rapid uptake of sugar (B) Low blood glucose level (C) Decrease urine output (D) Presence of glucose in urine

Description : Deficiency of insulin results in (A) Rapid uptake of sugar (B) Low blood glucose level (C) Decrease urine output (D) Presence of glucose in urine

Last Answer : Answer : D

Sodium is involved in the active uptake of (A) D-Glucose (B) D-Galactose (C) L-Amino acids (D) All of these

Description : Sodium is involved in the active uptake of (A) D-Glucose (B) D-Galactose (C) L-Amino acids (D) All of these

Last Answer : Answer : D

Active uptake of glucose is inhibited by (A) Ouabain (B) Phlorrizin (C) Digoxin (D) Alloxan

Description : Active uptake of glucose is inhibited by (A) Ouabain (B) Phlorrizin (C) Digoxin (D) Alloxan

Last Answer : B

Glucose uptake by liver cells is (A) Energy-consuming (B) A saturable process (C) Insulin-dependent (D) Insulin-independent

Description : Glucose uptake by liver cells is (A) Energy-consuming (B) A saturable process (C) Insulin-dependent (D) Insulin-independent

Last Answer : D

What is the effect of insulin on glucose uptake of cells?

Description : What is the effect of insulin on glucose uptake of cells?

Last Answer : Insulin facilitates the membrane transport of glucose in most of tissues, especially in muscles and adipose tissue. This is by glucose transporter, GIuT4. But glucose uptake by GlT2 is independent of insulin, it is seen in liver and brain.

Glucocorticoids impair carbohydrate tolerance by: A. Promoting gluconeogenesis in liver B. Depressing glucose uptake into skeletal muscles C. Inhibiting insulin secretion D. Both A and B are correct

Description : Glucocorticoids impair carbohydrate tolerance by: A. Promoting gluconeogenesis in liver B. Depressing glucose uptake into skeletal muscles C. Inhibiting insulin secretion D. Both A and B are correct

Last Answer : D. Both A and B are correct

The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Description : The biochemical mechanism of action of digitalis is associated with (a) A decrease in calcium uptake by the sarcoplasmic reticulum (b) An increase in ATP synthesis (c) A modification of the actin molecule (d) An increase in systolic intracellular calcium levels (e) A block of sodium/calcium exchange

Last Answer : Ans: D

Why is glucose needed for the uptake of mineral ions? -Biology

Description : Why is glucose needed for the uptake of mineral ions? -Biology

Last Answer : answer:

Hormone which enhance cellular uptake and utilisation of glucose as well as does hypoglycemia through glucogenesis is

Description : Hormone which enhance cellular uptake and utilisation of glucose as well as does hypoglycemia through glucogenesis is

Last Answer : Hormone which enhance cellular uptake and utilisation of glucose as well as does hypoglycemia through glucogenesis is

Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization :

Description : Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization :

Last Answer : Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake ... B. Gastrin C. Insulin D. Glucagon

A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the following? a. Increased glucose uptake and increased glycogen breakdown occur in this circumstance. b. Suppressed activity of lipoprotein lipase results from TNFa c. TNFa stimulates lipolysis d. The differentiation process of pre-adipocytes is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Description : A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the ... is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Last Answer : Answer: a, b, c, d, e Tumor cachexia appears to be mediated by TNFa. Lipopolysaccharide (LPS), as well as other cytokines, activate a variety of inflammatory cells, most ... chronic syndromes of anorexia, weight loss, and cachexia that are associated with both chronic infection and malignancy

Regarding retinal metabolism: a. insulin is essential for the uptake of glucose by the retina b. anaerobic metabolism predominates c. the pigment retinal epithelium stores glycogen and supplies the need of the retina d. the demand of oxygen is met entirely by the central retinal artery

Description : Regarding retinal metabolism: a. insulin is essential for the uptake of glucose by the retina b. anaerobic metabolism predominates c. the pigment retinal epithelium stores glycogen and supplies the need of the retina d. the demand of oxygen is met entirely by the central retinal artery

Last Answer : anaerobic metabolism predominates

Which of the following represents the action of insulin? (a) Increases blood glucose level by stimulating glucagon production. (b) Decreases blood glucose levels by forming glycogen. (c) Increases blood glucose levels by promoting cellular uptake of glucose. (d) Increases blood glucose levels by hydrolysis of glycogen.

Description : Which of the following represents the action of insulin? (a) Increases blood glucose level by stimulating glucagon production. (b) Decreases blood glucose levels by forming glycogen. (c) ... promoting cellular uptake of glucose. (d) Increases blood glucose levels by hydrolysis of glycogen.

Last Answer : (b) Decreases blood glucose levels by forming glycogen

Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation. (a) Insulin (b) Glucagon (c) Secretin (d) Gastrin

Description : Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation. (a) Insulin (b) Glucagon (c) Secretin (d) Gastrin

Last Answer : (a) Insulin

Anthelmintic action of piperazine is due to: A. Interference with ATP generation in the worm B. Blockade of glucose uptake by the worm C. Hyperpolarization of nematode muscle by GABA agonistic action D. Depolarization of nematode muscle by activating nicotinic receptors

Description : Anthelmintic action of piperazine is due to: A. Interference with ATP generation in the worm B. Blockade of glucose uptake by the worm C. Hyperpolarization of nematode muscle by GABA agonistic action D. Depolarization of nematode muscle by activating nicotinic receptors

Last Answer : C. Hyperpolarization of nematode muscle by GABA agonistic action

The most probable mechanism of action of mebendazole is: A. Depolarization of membrane and spastic paralysis of the worm B. Hyperpolarization of membrane and flaccid paralysis of the worm C. Loss of intracellular microtubules and inhibition of glucose uptake in the worm D. Tegument damage and leakage of contents of the worm

Description : The most probable mechanism of action of mebendazole is: A. Depolarization of membrane and spastic paralysis of the worm B. Hyperpolarization of membrane and flaccid paralysis of the worm C. Loss of ... inhibition of glucose uptake in the worm D. Tegument damage and leakage of contents of the worm

Last Answer : C. Loss of intracellular microtubules and inhibition of glucose uptake in the worm

Guargum limits post-prandial glycaemia by: A. Inhibiting intestinal brush border α-glucosidases B. Slowing carbohydrate absorption from intestine C. Releasing incretins from the intestine D. Promoting uptake of glucose into skeletal muscles

Description : Guargum limits post-prandial glycaemia by: A. Inhibiting intestinal brush border α-glucosidases B. Slowing carbohydrate absorption from intestine C. Releasing incretins from the intestine D. Promoting uptake of glucose into skeletal muscles

Last Answer : B. Slowing carbohydrate absorption from intestin

For the synthesis of one glucose molecule the Calvin cycle operates for (a) 2 times (b) 4 times (c) 6 times (d) 8 times.

Description : For the synthesis of one glucose molecule the Calvin cycle operates for (a) 2 times (b) 4 times (c) 6 times (d) 8 times.

Last Answer : (c) 6 times

Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase

Description : Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase

Last Answer : Answer : A

Glycerol-3-phosphate for the synthesis of triglycerides in adipose tissue is derived from (A) Phosphatidic acid (B) Diacylglycerol (C) Glycerol (D) Glucose

Description : Glycerol-3-phosphate for the synthesis of triglycerides in adipose tissue is derived from (A) Phosphatidic acid (B) Diacylglycerol (C) Glycerol (D) Glucose

Last Answer : Answer : D

Pentose phosphate pathway is of significance because it generates (A) NADPH for reductive synthesis (B) Regenerates glucose 6-phosphate (C) Generates fructose 6-phosphate (D) Forms glyceraldehyde 3-phosphate

Description : Pentose phosphate pathway is of significance because it generates (A) NADPH for reductive synthesis (B) Regenerates glucose 6-phosphate (C) Generates fructose 6-phosphate (D) Forms glyceraldehyde 3-phosphate

Last Answer : Answer : A

In the synthesis of glycogen from glucose the reversible step is (A) Glucose → glucose 6-phosphate (B) Glucose 6-phosphate → glucose 1-phosphate (C) Glucose 1-phosphate → UDP glucose (D) UDP glucose → glycogen

Description : In the synthesis of glycogen from glucose the reversible step is (A) Glucose → glucose 6-phosphate (B) Glucose 6-phosphate → glucose 1-phosphate (C) Glucose 1-phosphate → UDP glucose (D) UDP glucose → glycogen

Last Answer : Answer : B

Adipose tissue which is a store house for triacyl glycerol synthesis the same using (A) The glycerol released by hydrolysis of triacyl glycerol (B) The glycerol-3-phosphate obtained in the metabolism of glucose (C) 2-phosphoglycerate (D) 3-phosphoglycerate

Description : Adipose tissue which is a store house for triacyl glycerol synthesis the same using (A) The glycerol released by hydrolysis of triacyl glycerol (B) The glycerol-3-phosphate obtained in the metabolism of glucose (C) 2-phosphoglycerate (D) 3-phosphoglycerate

Last Answer : Answer : B

Acetyl CoA formed from pyruvate can be used for the synthesis of all the following except (A) Glucose (B) Fatty acids (C) Cholesterol (D) Steroid hormones

Description : Acetyl CoA formed from pyruvate can be used for the synthesis of all the following except (A) Glucose (B) Fatty acids (C) Cholesterol (D) Steroid hormones

Last Answer : Answer : A

The synthesis of glucose from pyruvate by gluconeogenesis (A) Requires the participation of biotin (B) Occurs exclusively in the cytosol (C) Is inhibited by elevated level of insulin (D) Requires oxidation/reduction of FAD

Description : The synthesis of glucose from pyruvate by gluconeogenesis (A) Requires the participation of biotin (B) Occurs exclusively in the cytosol (C) Is inhibited by elevated level of insulin (D) Requires oxidation/reduction of FAD

Last Answer : A

Which one of the following compounds cannot give rise to the net synthesis of Glucose? (A) Lactate (B) Glycerol (C) α-ketoglutarate (D) Acetyl CoA

Description : Which one of the following compounds cannot give rise to the net synthesis of Glucose? (A) Lactate (B) Glycerol (C) α-ketoglutarate (D) Acetyl CoA

Last Answer : B

Synthesis of Glucose from amino acids is termed as (A) Glycolysis (B) Gluconeogenesis (C) Glycogenesis (D) Lipogenesis

Description : Synthesis of Glucose from amino acids is termed as (A) Glycolysis (B) Gluconeogenesis (C) Glycogenesis (D) Lipogenesis

Last Answer : B

Uridine diphosphate glucose (UDPG) is (A) Required for metabolism of galactose (B) Required for synthesis of glucuronic acid (C) A substrate for glycogen synthetase (D) All of the above

Description : Uridine diphosphate glucose (UDPG) is (A) Required for metabolism of galactose (B) Required for synthesis of glucuronic acid (C) A substrate for glycogen synthetase (D) All of the above

Last Answer : D

In the glycogen synthesis, which is the active glucose derivative?

Description : In the glycogen synthesis, which is the active glucose derivative?

Last Answer : UDP-glucose.

There is no net synthesis of glucose from fatty acids, why?

Description : There is no net synthesis of glucose from fatty acids, why?

Last Answer : Pyruvate to acetyl CoA is a totally irreversible reaction.

Radioactive iodine uptake by thyroid gland is increased in (A) Endemic goitre (B) Hyperthyroidism (C) Myxoedema (D) Creatinism

Description : Radioactive iodine uptake by thyroid gland is increased in (A) Endemic goitre (B) Hyperthyroidism (C) Myxoedema (D) Creatinism

Last Answer : Answer : B

Radioactive iodine uptake by thyroid gland 24 hours of a test dose is (A) 1.5–15% of the test done (B) 15–20% of the test done (C) 20–40% of the test done (D) 50–70% of the test done

Description : Radioactive iodine uptake by thyroid gland 24 hours of a test dose is (A) 1.5–15% of the test done (B) 15–20% of the test done (C) 20–40% of the test done (D) 50–70% of the test done

Last Answer : Answer : C

Iodide uptake by thyroid gland is decreased by (A) Thicyanate (B) Thiouracil (C) Thiourea (D) Methimazole

Description : Iodide uptake by thyroid gland is decreased by (A) Thicyanate (B) Thiouracil (C) Thiourea (D) Methimazole

Last Answer : Answer : A

Thyroid gland takes up circulating iodine (A) By simple diffusion (B) By facilitated diffusion (C) By active uptake (D) In exchange for chloride

Description : Thyroid gland takes up circulating iodine (A) By simple diffusion (B) By facilitated diffusion (C) By active uptake (D) In exchange for chloride

Last Answer : Answer : C

A substance which competes with iodide uptake mechanism by thyroid gland is (A) Thiocynate (B) Iodoacetate (C) Fluoride (D) Fluoroacetate

Description : A substance which competes with iodide uptake mechanism by thyroid gland is (A) Thiocynate (B) Iodoacetate (C) Fluoride (D) Fluoroacetate

Last Answer : Answer : A

The active transport system for hepatic uptake of bilirubin is congenitally defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Rotor’s syndrome (D) Dubin-Johnson syndrome

Description : The active transport system for hepatic uptake of bilirubin is congenitally defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Rotor’s syndrome (D) Dubin-Johnson syndrome

Last Answer : Answer : A

Low uptake of 123I on the thyroid uptake scan would be an expected finding in: 1) A solitary toxic nodule 2) A multi-nodular toxic goitre 3) Amiodarone induced thyrotoxicosis type 1 4) DeQuervain's thyroiditis 5) Graves' thyrotoxicosis

Description : Low uptake of 123I on the thyroid uptake scan would be an expected finding in: 1) A solitary toxic nodule 2) A multi-nodular toxic goitre 3) Amiodarone induced thyrotoxicosis type 1 4) DeQuervain's thyroiditis 5) Graves' thyrotoxicosis

Last Answer : Answers-4 DeQuervain's thyroiditis is classically associated with low or absent 123I (the 131 radioactive isotope of iodine) uptake. The others will have high or normal uptake. In particular type ... may be distinguished from the thyroiditis of type 2 by the normal or high uptake scan.

In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Description : In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Last Answer : Answer : A

The most important source of reducing equivalents for FA synthesis on the liver is (A) Glycolysis (B) HMP-Shunt (C) TCA cycle (D) Uronic acid pathway

Description : The most important source of reducing equivalents for FA synthesis on the liver is (A) Glycolysis (B) HMP-Shunt (C) TCA cycle (D) Uronic acid pathway

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

Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2+ ions (D) By membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane

Description : Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2 ... membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane

Last Answer : Answer : D