Answer:
True
Explanation:
Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.
A cross-sectional view of a log shows a concentric pattern. Which part of the stem gives rise to this pattern?
B. Xylem
as it contribute for most of a tree's growth in diameter.
There are four nitrogenous bases involved.
A, T, C and G.
A:T and C:G
Answer:
B
Explanation:
Animals, plants, and fungi are multicellular organisms so therefore B
