Which of these options is not a mechanism to control the opening and closing of ion channels?
a) Distortion of the cell membrane (mechanically gated)
b) Changes in membrane potential (voltage gated)
C) ATP binding (ATP gated)
d) Ligand binding (igand gated)

this is math not biology xd

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

answer; ///blank(1); green bananas; blank(2); raw potatoes;