Which of the following is a trigger for the other actions described?
a. Extracellular fluid volume is reduced.
b. Solute concentration in the extracellular fluid rises above a set point.
c. Posterior pituitary secretes ADH.
d. Distal tubules of the nephrons and the collecting ducts become more permeable to water.
e. A small amount of concentrated urine is excreted
A
You might also like to view...
Plant hormones _____
A) in plant cells naturally exist in very large amounts B) change their shape in response to stimulus C) are unable to move from one cell to another D) affect only cells with the appropriate receptor
Gene ________ refers to the combined processes of transcription and translation.
A. expression B. replication C. modification D. regulation
Which of the following would be considered a benefit of increased flexibility?
What will be an ideal response?
C4 plants have evolved different photosynthetic mechanisms. These plants _____.
a. are adapted to living in cold, wet climates where there is no water shortage b. conserve water more efficiently by shutting their stomata during the day c. fix CO2 into a four-carbon compound instead of a three-carbon compound d. do not fix CO2 through the Calvin cycle e. fix O2 instead of CO2