The attachment relationship with caregivers is the initial context in which a childâs emotional life unfolds. If the caregivers typically meet the infantâs needs, the infant comes to internalize the notion that the world is a safe place and that others are trustworthy and responsive.
The stained cells are undergoing programmed cell death to create breakpoints - a rudimentary division of labor. Saccharomyces cerevisiae (brewerâs or bakerâs yeast) is a unicellular fungus that is a common model organism.
Unicellular eukaryotes are single-celled organisms, all of which were traditionally classified in the kingdom Protista. The term unicellular denotes that these organisms have only one cell, while the term eukaryote means that each of these cells has a nucleus -- and other organelles -- held in place by membranes.