<span>Soft-shell is a term that is used in the culinary field. Crabs shell softens when their exoskeleton and remain soft from the shedding. Crabbers with the knowledge of their field know when crabs are prime to catch with a soft-shell in order to keep the shells from hardening.</span>
<span>An organelle is a functional subunit enclosed by a membrane within a eukaryotic cell. The name "organelle" means little organ and the name comes from the analogy with organs: what an organ is to a body, an organelle is to a cell. So, the organelle is the organ of the cell. There are different types of organelles in cells, such as nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum, chloroplasts, vacuoles, and they all have a different function. For example, the nucleus is the organelle which main function is control of cell activities. Mitochondria are organelles which main function is energy production. </span>
Each human has 2 alleles and are called diploid organisms. We receive 1 allele from each biological parent.
