What are the tubular structure present in xylem?

What are the tubular structure present in xylem?
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sieve tubes
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Which Phloem cellular element has tubular structure with perforated walls?

Description : Which Phloem cellular element has tubular structure with perforated walls?

Last Answer : Sieve tubes

An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Description : An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Last Answer : (c) sieve tubes

An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

Description : An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.

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Where is endarch xylem present in a plant body? -Biology

Description : Where is endarch xylem present in a plant body? -Biology

Last Answer : answer:

$ Xylem is a simple permanent tissue. ! Xylem is present in Bryophytes.

Description : $ Xylem is a simple permanent tissue. ! Xylem is present in Bryophytes.

Last Answer : $ Xylem is a simple permanent tissue. ! Xylem is present in Bryophytes. A. If both As and R are correct ... R is wrong D. If both As and R are wrong.

What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

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What are the substances removed from the blood by tubular secretion? -Biology

Description : What are the substances removed from the blood by tubular secretion? -Biology

Last Answer : answer:

Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes have no glomerular kidney .

Description : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes have no glomerular kidney .

Last Answer : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes ... D. If both Assertion & Reason are false.

Vasa recta are tubular capillaries around

Description : Vasa recta are tubular capillaries around

Last Answer : Vasa recta are tubular capillaries around A. Posterior part of alimnetary canal B. PCT C. Loop of Henle D. DCT

Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Description : Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Last Answer : Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Tubular cells secrete _____ and _____

Description : Tubular cells secrete _____ and _____

Last Answer : Tubular cells secrete _____ and _____

Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Description : Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Last Answer : Tubular secretion helps in maintenance of ____ and _____ balance of the body.

Tubular cells secrete _____ and _____

Description : Tubular cells secrete _____ and _____

Last Answer : Tubular cells secrete _____ and _____

Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood

Description : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood

Last Answer : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood A. `NH_ ... Uric acid D. `H^(+) and NH_(3)`

Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood

Description : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood

Last Answer : Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from ... )` ions and urea D. Ammonia and creatinine

What are the highest and lowest note on a tubular bell?

Description : What are the highest and lowest note on a tubular bell?

Last Answer : Feel Free to Answer

What family are the tubular bells in?

Description : What family are the tubular bells in?

Last Answer : Need answer

Is tubular a tuned bells a tuned instrument?

Description : Is tubular a tuned bells a tuned instrument?

Last Answer : Yes. Each tell is tuned to a specific note.

Acute tubular necrosis?

Description : Acute tubular necrosis?

Last Answer : DefinitionAcute tubular necrosis is a kidney disorder involving damage to the tubule cells of the kidneys, resulting in acute kidney failure.Alternative NamesNecrosis - renal tubular; ATN; ... reactionInjury or trauma that damages the musclesRecent major surgerySeptic shock or other forms of shockS

All the following statements about renal tubular acidosis are correct except (A) Renal tubules may be unable to reabsorb bicarbonate (B) Renal tubules may be unable to secrete hydrogen ions (C) Plasma chloride is elevated (D) Anion gap is decreased

Description : All the following statements about renal tubular acidosis are correct except (A) Renal tubules may be unable to reabsorb bicarbonate (B) Renal tubules may be unable to secrete hydrogen ions (C) Plasma chloride is elevated (D) Anion gap is decreased

Last Answer : Answer : D

Anion gap is increased in (A) Renal tubular acidosis (B) Metabolic acidosis resulting from diarrhoea (C) Metabolic acidosis resulting from intestinal obstruction (D) Diabetic ketoacidosis

Description : Anion gap is increased in (A) Renal tubular acidosis (B) Metabolic acidosis resulting from diarrhoea (C) Metabolic acidosis resulting from intestinal obstruction (D) Diabetic ketoacidosis

Last Answer : Answer : B

Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes

Description : Obligatory reabsorption of water (A) Is about 50% of the total tubular reabsorption of water (B) Is increased by antidiuretic hormone (C) Occurs in distal convoluted tubules (D) Is secondary to reabsorption of solutes

Last Answer : Answer : D

Renal ricket is caused by renal tubular defect (usually inherited) which interferes with reabsorption of (A) Calcium (B) Phosphorous (C) Sodium (D) Chloride

Description : Renal ricket is caused by renal tubular defect (usually inherited) which interferes with reabsorption of (A) Calcium (B) Phosphorous (C) Sodium (D) Chloride

Last Answer : Answer : B

The maximal renal tubular reabsorptive capacity for calcium (Tmca) in mg/min is about (A) 1.5 ± 0.1 (B) 4.99 ± 0.21 (C) 5.5 ± 1.2 (D) 10.2 ± 2.2

Description : The maximal renal tubular reabsorptive capacity for calcium (Tmca) in mg/min is about (A) 1.5 ± 0.1 (B) 4.99 ± 0.21 (C) 5.5 ± 1.2 (D) 10.2 ± 2.2

Last Answer : Answer : B

Mineralocorticoids increase the tubular secretion of (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Description : Mineralocorticoids increase the tubular secretion of (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Last Answer : Answer : B

Mineralocorticoids increase the tubular reabsorption of (A) Sodium and calcium (B) Sodium and potassium (C) Sodium and chloride (D) Potassium and chloride 224 MCQs IN BIOCHEMISTRY

Description : Mineralocorticoids increase the tubular reabsorption of (A) Sodium and calcium (B) Sodium and potassium (C) Sodium and chloride (D) Potassium and chloride 224 MCQs IN BIOCHEMISTRY

Last Answer : Answer : C

Insulin decreases (A) Glycogenesis (B) Glyolysis (C) Gluconeogenesis (D) Tubular reabsorption of glucose

Description : Insulin decreases (A) Glycogenesis (B) Glyolysis (C) Gluconeogenesis (D) Tubular reabsorption of glucose

Last Answer : Answer : C

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

PTH causes all of the following except (A) Increased intestinal absorption of calcium (B) Increased intestinal absorption of phosphate (C) Increased tubular reabsorption of calcium (D) Increased tubular reabsorption of phosphate

Description : PTH causes all of the following except (A) Increased intestinal absorption of calcium (B) Increased intestinal absorption of phosphate (C) Increased tubular reabsorption of calcium (D) Increased tubular reabsorption of phosphate

Last Answer : Answer : D

Target tissue of insulin is (A) Red blood cells (B) Renal tubular cells (C) GI tract epithelial cells (D) Liver

Description : Target tissue of insulin is (A) Red blood cells (B) Renal tubular cells (C) GI tract epithelial cells (D) Liver

Last Answer : Answer : D

The most important effect of aldosterone is to (A) Increase the rate of tubular reabsorption of sodium (B) Decrease the rate of tubular reabsorption of potassium (C) Decrease the reabsorption of chloride (D) Decrease the renal reabsorption of sodium

Description : The most important effect of aldosterone is to (A) Increase the rate of tubular reabsorption of sodium (B) Decrease the rate of tubular reabsorption of potassium (C) Decrease the reabsorption of chloride (D) Decrease the renal reabsorption of sodium

Last Answer : Answer : A

An inherited or acquired renal tubular defect in the reabsorption of phosphate (Vit D resistant ricket) is characterized with (A) Normal serum Phosphate (B) High serum phosphate (C) A low blood phosphorous with elevated alkaline Phosphate (D) A high blood phosphorous with decreased alkaline phosphatase

Description : An inherited or acquired renal tubular defect in the reabsorption of phosphate (Vit D resistant ricket) is characterized with (A) Normal serum Phosphate (B) High serum phosphate (C ... blood phosphorous with elevated alkaline Phosphate (D) A high blood phosphorous with decreased alkaline phosphatase

Last Answer : Answer : C

Phlorizin inhibits (A) Renal tubular reabsorption of glucose (B) Glycolysis (C) Gluconeogenesis (D) Glycogenolysis

Description : Phlorizin inhibits (A) Renal tubular reabsorption of glucose (B) Glycolysis (C) Gluconeogenesis (D) Glycogenolysis

Last Answer : Answer : A

Tubular reabsorption of calcium is increased by (A) Cholecalciferol (B) 25-Hydroxycholecalciferol (C) Calcitriol (D) All of these

Description : Tubular reabsorption of calcium is increased by (A) Cholecalciferol (B) 25-Hydroxycholecalciferol (C) Calcitriol (D) All of these

Last Answer : Answer : C

Para-amino hippurate excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal plasma flow

Description : Para-amino hippurate excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal plasma flow

Last Answer : Answer : D

Phenolsulphonephthalein excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal blood low

Description : Phenolsulphonephthalein excretion test is an indicator of (A) Glomerular filtration (B) Tubular secretion (C) Tubular reabsorption (D) Renal blood low

Last Answer : Answer : D

Inulin clearance is a measure of (A) Glomerular filtration rate (B) Tubular secretion flow (C) Tubular reabsorption rate (D) Renal plasma flow

Description : Inulin clearance is a measure of (A) Glomerular filtration rate (B) Tubular secretion flow (C) Tubular reabsorption rate (D) Renal plasma flow

Last Answer : Answer : B

The Tm for PAH i.e the maximal secretory capacity of the tubule for PAH can be used to gavge the (A) Extent of tubular damage FATS AND FATTY ACID METABOLISM 81 (B) Impairment of the capacity of the tubule to perform osmotic work (C) Impairment of renal plasma flow (D) Glomerular filtration rate

Description : The Tm for PAH i.e the maximal secretory capacity of the tubule for PAH can be used to gavge the (A) Extent of tubular damage FATS AND FATTY ACID METABOLISM 81 (B) Impairment of the capacity of the tubule to perform osmotic work (C) Impairment of renal plasma flow (D) Glomerular filtration rate

Last Answer : Answer : A

Creatinine EDTA clearance is a test to measure (A) Renal plasma flow (B) Filtration fraction (C) Glomerular filtration rate (D) Tubular function

Description : Creatinine EDTA clearance is a test to measure (A) Renal plasma flow (B) Filtration fraction (C) Glomerular filtration rate (D) Tubular function

Last Answer : Answer : C

Measurement of insulin clearance test is a measure of (A) Glomerular filtration rate (B) Filtration factor (C) Renal plasma flow (D) Tubular secretory mass

Description : Measurement of insulin clearance test is a measure of (A) Glomerular filtration rate (B) Filtration factor (C) Renal plasma flow (D) Tubular secretory mass

Last Answer : Answer : A

Urea clearance test is used to determine the (A) Glomerular filtration rate (B) Renal plasma flow (C) Ability of kidney to concentrate the urine (D) Measurement of tubular mass

Description : Urea clearance test is used to determine the (A) Glomerular filtration rate (B) Renal plasma flow (C) Ability of kidney to concentrate the urine (D) Measurement of tubular mass

Last Answer : Answer : A

An important finding in glycinuria is (A) Excess excretion of oxalate in the urine (B) Deficiency of enzyme glycinase (C) Significantly increased serum glycine level (D) Defect in renal tubular reabsorption of glycine

Description : An important finding in glycinuria is (A) Excess excretion of oxalate in the urine (B) Deficiency of enzyme glycinase (C) Significantly increased serum glycine level (D) Defect in renal tubular reabsorption of glycine

Last Answer : Answer : D

Creatinine clearance is deceased in (A) Acute tubular necrosis (B) Acute glomerulonephritis (C) Hypertension (D) Myopathies

Description : Creatinine clearance is deceased in (A) Acute tubular necrosis (B) Acute glomerulonephritis (C) Hypertension (D) Myopathies

Last Answer : Answer : D

All the following statements about inulin are correct except (A) It is completely non-toxic (B) It is completely filtered by glomeruli (C) It is not reabsorbed by tubular cells (D) It is secreted by tubular cells

Description : All the following statements about inulin are correct except (A) It is completely non-toxic (B) It is completely filtered by glomeruli (C) It is not reabsorbed by tubular cells (D) It is secreted by tubular cells

Last Answer : Answer : D

A simple way to assess tubular function is to withhold food and water for 12 hours and, then, measure (A) Serum urea (B) Serum creatinine (C) Urine output in one hour (D) Specific gravity of urine

Description : A simple way to assess tubular function is to withhold food and water for 12 hours and, then, measure (A) Serum urea (B) Serum creatinine (C) Urine output in one hour (D) Specific gravity of urine

Last Answer : Answer : D

Among the following, a test of tubular function is (A) Creatinine clearance (B) Inulin clearance (C) PAH clearance (D) PSP excretion test

Description : Among the following, a test of tubular function is (A) Creatinine clearance (B) Inulin clearance (C) PAH clearance (D) PSP excretion test

Last Answer : Answer : D

Renal glycosuria occurs due to (A) Increased filtration of glucose in glomeruli (B) Increased secretion of glucose by renal tubular cells (C) Decreased reabsorption of glucose by renal tubular cells (D) Increased conversion of glycogen into glucose in tubular cells

Description : Renal glycosuria occurs due to (A) Increased filtration of glucose in glomeruli (B) Increased secretion of glucose by renal tubular cells (C) Decreased reabsorption of glucose by renal tubular cells (D) Increased conversion of glycogen into glucose in tubular cells

Last Answer : Answer : D

An early feature of renal disease is (A) Impairment of the capacity of the tubule to perform osmotic work (B) Decrease in maximal tubular excretory capacity (C) Decrease in filtration factor (D) Decrease in renal plasma flow

Description : An early feature of renal disease is (A) Impairment of the capacity of the tubule to perform osmotic work (B) Decrease in maximal tubular excretory capacity (C) Decrease in filtration factor (D) Decrease in renal plasma flow

Last Answer : A

Which of the following statement(s) is/are true concerning the outcome in patients with acute renal failure? a. Mortality for ischemic acute tubular necrosis without other organ failure is approximately 6% b. Multiple organ failure complicated with acute renal failure is associated with mortality ranging from 50% to 90% c. Recovery of renal function after six weeks is unlikely d. There is no difference in survival between oliguric and nonoliguric renal failure

Description : Which of the following statement(s) is/are true concerning the outcome in patients with acute renal failure? a. Mortality for ischemic acute tubular necrosis without other organ failure is ... is unlikely d. There is no difference in survival between oliguric and nonoliguric renal failure

Last Answer : Answer: a, b, c Survival of patients with acute renal failure is a function of the successful treatment of the primary disease from which the renal failure was derived. The mortality ... is unlikely. Nonoliguric renal failure is usually limited in its extent and is almost always reversible

Which of the following statement(s) is/are true concerning the effects of MOFS? a. Pulmonary dysfunction tends to arise early and may resolve within 7 to 10 days b. Unless the precipitating insult has prompted oliguric acute tubular necrosis, renal function tends to be maintained early in the course of MOFS c. Although hepatic dysfunction is common with MOFS, the GI tract plays little role in this process d. Intercurrent nosocomial infection, most commonly pulmonary, is a common complication providing a “second hit” to the patient

Description : Which of the following statement(s) is/are true concerning the effects of MOFS? a. Pulmonary dysfunction tends to arise early and may resolve within 7 to 10 days b. Unless the precipitating ... infection, most commonly pulmonary, is a common complication providing a second hit to the patient

Last Answer : Answer: a, b, d Pulmonary dysfunction typically arises early in the development of systemic inflammation and may represent mild relatively localized acute lung injury or it may be a prelude ... is marked by progressive rise in serum bilirubin levels after a latent period of several days