Question 1
In which stage of mitosis do the identical sets of chromosomes uncoil and resume their chromatin form?
◦ telophase
◦ anaphase
◦ metaphase
◦ prophase
Question 2
Which of the following is a principle of the fluid mosaic model of cell membrane structure?
◦ The lipid bilayer is a solid at body temperature, thus protecting the cell.
◦ All proteins associated with the cell membrane are contained in a fluid layer on the outside of the cell.
◦ Phospholipids form a bilayer that is largely impermeable to water-soluble molecules.
◦ Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains.
Lichen structure
Graded membrane potentials.
Atom Structure
A cell.
The lymph node structure.
Effect of “Moral Restraint” in the Malthusian Model