Prokaryotes and eukaryotes package their DNA molecules with protein in structures called chromosomes. A prokaryotic chromosome is circular and resides in a cell region called the nucleoid.
- For protection or kind of defence mechanism against other organisms.- To reduce water loss from leaves in dry climate.
Answer:
A formation of a volcano
Explanation:
A natural event that can occur either over a few weeks or over a few million years is <u>a formation of a volcano</u>. Volcanoes are accumulated when magma from inside the Earth's uppermost mantle acts its approach to the surface. Near the covering, that explodes to form lava flows as well as ash sediments. Extra time as the volcano remains to emit, it will become more prominent.
Smooth ER (Smooth endoplasmic reticulum) is a structure (cell organelle) which is primarily associated with the synthesis of proteins, lipids, phospholipids and steroids.