Sunflower plants have smooth and fleshy stems. based on these characteristics, which type of plant could it be?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin