The presence of the loop of Henle allows which animals to reabsorb water and produce a hypertonic urine?
A. birds
B. birds and reptiles
C. freshwater fish and mammals
D. birds and mammals
E. mammals
F. marine fish
Answer: D
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In mammals, urine drains out of the ____ into a collecting duct
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In synaptic signaling, neurotransmitters are released into a space that is referred to as a:
A. gap junction. B. plasmodesmata. C. neuron junction. D. paracrine space. E. chemical synapse.
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What will be an ideal response?
Why do slime molds represent a transitional life-form?
What will be an ideal response?