Question

what happens during prophase? the chromosomes condense, and the nuclear membrane disappears. a nuclear membrane forms around each set of dna. the chromosomes line up in the middle of the cell. the cell grows, replicates its dna, and gets ready to divide.

Explanation:

To solve this, we analyze each option based on mitosis/meiosis prophase knowledge:

• Option 1: Prophase involves chromosome condensation (from chromatin) and nuclear membrane breakdown. This matches.
• Option 2: Nuclear membrane formation around DNA is telophase, not prophase. Eliminate.
• Option 3: Chromosomes lining up at the cell middle is metaphase. Eliminate.
• Option 4: Cell growth, DNA replication, and preparation for division is interphase (specifically G1, S, G2), not prophase. Eliminate.

Answer:

The chromosomes condense, and the nuclear membrane disappears.