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प्रश्न
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
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उत्तर
Ureotelic animals excrete urea with minimum loss of water, e.g., Mammals and terrestrial amphibians. Uricotelic animals excrete uric acid with the least loss of water, e.g., Birds and reptiles.
संबंधित प्रश्न
Define the Glomerular Filtration Rate (GFR).
Explain the autoregulatory mechanism of GFR.
Add a noteon composition of urine.
Define the following:
Dialysis
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Medulla of kidney passes urine into urinary bladder.
Fill in the blank.
........................ is found in the seeds of poppy plants.
What is micturition?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
What solute is normally present in the body to estimate GFR in humans?
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
The end product of Ornithine cycle is ______.
Glomerular filtrate contains ______.
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Each contains a glomerulus.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
The composition of glomerular filtrate and urine is not same. Comment.
Name the following:
Three stages of urine formation.
