Which of the following are functions of stems in a typical plant? choose three correct answers.
a
hold leaves up to the sun
b. conduct photosynthesis
c. gather water and nutrients from the soil
d. produce leaves and flowers
e
transport water and nutrients

According to the cladogram, which organisms have roundworms as a common ancestor?

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

The fluid mosaic model of the membrane proposed that membranes