The tutor mentions a few points about diatoms. In my Feb 4 post I introduced protists, which constitute a kingdom of eukaryotic, mainly single-celled organisms. Protists are divided into plantlike and animal-like ones. Diatoms, from phylum Chrysophyta, are among the …

Biology: protists: diatoms Read more »

The tutor makes some comparisons between protists and bacteria. Members of Kingdom Protista are generally single-celled organisms that live in water. They form a significant part of ocean plankton. Bacteria are typically single-celled as well, and are found virtually everywhere …

Biology: protists (Kingdom Protista) vs bacteria (Kingdom Monera) Read more »

Tutoring biology, the cell is fundamental.  Heading towards another weekend Biology 12 workshop, the biology tutor recalls Bruce Willis’s advice in Last Boy Scout: “Be prepared.” A cell, like anyone, needs storage.  More than that, it needs storage for different purposes. …

Cell Biology: Containment: vesicles, vacuoles, and lysosomes Read more »