Is the Part of a Flashlight Battery That Is Marked

question 25

Essay

Is the part of a flashlight battery that is marked "+" the anode or the cathode? Explain why it is labeled in that way.

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Definitions:

Hypertonic Solution

A solution with a higher concentration of solutes compared to another solution, leading to osmosis out of a cell.

Hypotonic Solution

A solution having a lower osmotic pressure than another fluid, typically leading to the swelling of cells immersed in it.

Isotonic Solution

A solution that has the same osmotic pressure as another solution, typically referring to body fluids.

Phospholipid Bilayer

The fundamental structure of cellular membranes, consisting of two layers of phospholipids with hydrophilic heads facing outwards and hydrophobic tails facing inwards.