Question

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b

c
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① a
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② b
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Explanation:

To solve this, we analyze the osmosis in red blood cells:

For part (a):

The red blood cells in diagram \( a \) appear shriveled (crenated). This happens in a hypertonic solution (more solute outside the cell), so water moves out of the cell (the yellow arrows should show water leaving, and green arrows (if any) for minimal entry). The bottom diagram with two yellow arrows leaving (water out) and one green arrow entering (minimal) matches \( a \).

For part (b):

The red blood cells in diagram \( b \) are normal (disc - shaped). This occurs in an isotonic solution, where water moves in and out of the cell at equal rates. The bottom diagram with one yellow arrow (water in) and one green arrow (water out) (equal movement) matches \( b \).

1. Prompt (1) - \( a \)

Diagram \( a \) has shriveled RBCs (water exits). The bottom diagram with two yellow (out) and one green (in) arrows (hypertonic, water loss) matches.

Diagram \( b \) has normal RBCs (isotonic, equal water in/out). The bottom diagram with one yellow (in) and one green (out) arrow (equal movement) matches.

Answer:

The diagram with two yellow arrows (water out) and one green arrow (water in) (the third bottom diagram, likely labeled for water leaving).

2. Prompt (2) - \( b \)