How many atoms make up the head of a pin

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder