English Questions
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Does ADH increase or decrease the permeability of the distal tube & the collecting duct to water? What leaves the tubules by osmosis into the surrounding capillary network as a result?
What causes the the active absorption of sodium ions from the filtrate in the kidney tubules into the plasma in the capillaries?
What inhibits the release of ADH by the pituitary gland? What remain impermeable to water, causing little or no reabsorption to occur?
What causes an increase in the release of ADH & the conservation of water by the kidneys? What is returned to the blood, causing a small amount of concentrated urine to be produced?
Is the mechanism by which ADH increases the permeability to water of the walls of the distal tube & collecting duct very elegant or inelegant?
What does ADH increase in relation to the distal tube & collecting duct?
In the series of reactions started by cAMP, what do the vesicles involved contain? What then moves through the channels out of the tubules & into the surrounding blood capillaries by osmosis?
What are stored in vesicles ready for reuse when they're needed again when ADH levels fall?
What is often a sign of an increase in blood volume? What does this suppress, causing an increase in the volume of water lost in the urine?
Which enzyme acts on a protein in the blood to produce the hormone angiotensin?
Coleoptile sections of the same length were placed in Petri dishes containing IAA solutions of different concentrations. Which method could scientists use to make a valid comparison of the elongation of coleoptiles at each IAA concentration?
Why would the mean degree of muscle contraction decrease between 0 and 10 times of a sound being repeated, before remaining constant between 10 & 20 times of the sound being repeated?
How may a serotonin selective reabsorption inhibitor (SSRI) being given to patients help to reduce depression?
What can hamsters be infected with? What can cure them?
What happens to cells in a coleoptile, after the breaking of hydrogen bonds, that allows a positive phototropism to light shining from the left?
Where does the coloured liquid inside of a respirometer move once potassium hydroxide is replaced with water & the screw clip is closed?
Which 2 variables need to be kept constant in an investigation studying the respiration rate in carrots?
Where does the coloured liquid inside of a respirometer move once the screw clip is open?
Where does the coloured liquid inside of a respirometer move once the screw clip is closed?
Where does the coloured liquid inside of a respirometer move during anaerobic respiration, as well as potassium hydroxide being absent? Why?