Hydrophobic heads face the inside while the hydrophilic tails face the outside
6. Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion.
7. They move freely around the membrane.
8. Binary fission is the division of a single entity into two or more parts and the regeneration of those parts separate the entities resembling the original.
The correct answer is soil structure. Soil structure refers to the arrangement of soil separates into units which are called soil aggregates which possess solids and pore space. Aggregates are separated by planes of weakness and are dominated by clay particles. Example of an aggregate is silt and fine sand.
The answer is C.it contains carotene
