Answer:
<u><em>Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs. </em></u>
<u><em>Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.</em></u>
Explanation:
Answer: Tropical rain forests experiences no seasons because it is just hot all year round while temperate rain forests experiences four seasons. Tropics also receive the most sunlight in the planet while temperate rain forests receive light at a slanted angle.
Answer:
All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Cell division is tightly regulated because the occasional failure of regulation can have life-threatening consequences.
The cytoplasm fills the cell and is surrounded by the cell membrane. :)
