A protist is an organism in the Kingdom Protista. Protists belong to a very large, diverse group of organisms that are all eukaryotic, and most are unicellular. Examples of protists include red algae, amoeba and slime mo... More » Science Biology Molecular Biology & DNA

Protists belong to the Kingdom Protista, which consists mostly of unicellular organisms that don't fit into other kingdoms. Protists can either be heterotrophic or autotrophic. Most of them live in water, while some live... More » Science Biology

Protists are members of the Protista kingdom. The three main classifications or protist phyla are protozoa, algae and slime mold. These protist types also generate movement in different ways, such as through cilia, flage... More » Science Biology
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Various protist species are important to humans because they are the primary producers at the base of the food pyramid, turning the energy from the sun into a form that can be passed from organism to organism up the food... More » Science Biology

The pGLO plasmid is a small circular piece of DNA that contains the gene to produce green fluorescent protein in the model organism. Within the pGLO plasmid, the gene that codes for GFP is typically linked to a gene prom... More » Science Biology Molecular Biology & DNA

In biology, a nucleus is the cellular organelle that contains the organism’s genetic material and controls cellular functions, earning it the designation as the cell’s command center. The nucleus contains nuclear lamina,... More » Science Biology Molecular Biology & DNA

Genes are distinct portions of an organism’s DNA that correspond with a specific trait, while alleles are different versions of a given gene. All alleles are genes, but not all genes occur as multiple alleles. More » Science Biology Molecular Biology & DNA