<span>A messenger is required to translate the coding into actual physical proteins. You can't have proteins be directly built from DNA because it is fragile and meant as storage, not manufacturing, for a cell. RNA and tRNA are used to transfer the instructions from DNA to organelles designed for manufacturing.</span>
1) This system makes your skin water-resistant. When you get wet, the water beads on the surface of your skin because of this system. The epidermis system within the integumentary system is what makes this happen.
2) It helps you maintain body temperature. Because of thermoregulation, your body maintains a steady temperature. If it didn't the chemicals in your body could be offset. Also, when your body temperature rises, your skin produces sweat that evaporates and works to cool you down.
Answer:
C & D
Explanation:
Fibrous means many roots and tap root means one long root
The hydraulic skeleton is composed of muscle and fluid.