Suppose that the concentration of Ca outside the cell is 10 and inside the cell is 0.1 mmol/liter. The Nernst equation at 20oC is: You set the membrane voltage at 58 millivolts using a voltage clamp, and measure membrane current. If Ca is the only ion crossing the membrane, you would expect to see: Group of answer choices 0 current positive charges flowing out of the cell the membrane potential becomes more positive positive charges flowing into the cell

0 current

Explanation:

Ca+ initial concentration is same both inside and outside, therefore there will be zero current on initial membrane. The membrane voltage is set at 58 multivolts which cause current flow in membrane and cell membrane is charged positively.

Species C.

Explanation:

In a cladogram, any two species which originate from the same branch of the tree, share common ancestry. As we can see in the diagram, the species 1 and 4 have a common touch base with the branch of tree arising out of species C, therefore both species 1 and 4 have some characteristics common /similar to that of the species C.

Therefore answer is species C

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