The answers are: condense; visible
Explanation:
In Prophase I, the chromosomes condense and become visible.
The dorsal side of the frog is the back of the frog, where the spine is.
Answer:
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Explanation:
Energy stored in food can be used by cells to add a phosphate group to ADP to make ATP. This cycling of ATP to ADP occurs in a metabolic process called cellular respiration. phosphate group breaks, and energy is released. ATP becomes ADP, and the cycle of storing and releasing energy continues until the cell dies.