The part of the cell membrane that acts as a barrier are the Hydrophobic tails!
Please refer to the definition above
Answer: B. Chromosomes
Explanation: Chromosomes become visible, the nucleolus disappears, the mitotic spindle forms, and the nuclear envelope disappears. Chromosomes become more coiled and can be viewed under a light microscope.
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
The smallest structural and functional unit of an organism is a cell.