Under high-power lens, onion root tip appear as large, rectangular interlocking cells. It is clearly visible that cells are surrounded by distinct cell walls. Each cell has a dark stained nucleus. Large vacuoles are also observed in the cells. Small starch granules are also present inside the cells within the cytoplasm. Since root cells do not take part in photosynthesis, no chloroplasts are observed.
Atrophy
Explanation: Atrophy is the progressive degeneration of muscle or nerve tissue. When you wear a cast for multiple weeks and you’re not allowed to bare weight, your muscles tend to become weaker because you haven’t used it in a while. That’s why PT is recommended after a bone break.
Political Action Committee (PAC) — A popular term for a political committee organized for the purpose of raising and spending money to elect and defeat candidates. Most PACs represent business, labor or ideological interests. PACs can give $5,000 to a candidate committee per election (primary, general or special).
Explanation:
Plasmolysis is the process in which cells lose water in a hypertonic solution. The reverse process, deplasmolysis or cytolysis, can occur if the cell
