A cell wall builds protein without a membrane
They are antiparallel. One strand goes 5'-3' and the other goes 3'-5'
Answer is B) 1, 3, 2
Fish with craniums naturally preceded the evolution of sharks, since sharks have craniums. Sharks must have evolved from a cranium-wielding ancestor.
Sharks evolved about 450 million years ago, before land vertebrates (animals with spines and skeletal systems) even existed. Mammals evolved about 100 million years later.
<span>The pressure in a plant cell by the central vacuole being filled with water is called pressure</span>
