What is Nucleolus? Function, Definition & More

The nucleolus is the nuclear subdomain that assembles ribosomal subunits in eukaryotic cells. The nucleolar organizer regions of chromosomes, which contain the genes for pre‐ribosomal ribonucleic acid (rRNA), serve as…

Jehovah’s Witnesses – Definition, Beliefs & More

The beliefs of Jehovah’s Witnesses are based on the Bible teachings of Charles Taze Russell founder of the Bible Student movement and successive presidents of the Watch Tower Society, Joseph Franklin Rutherford, and Nathan Homer Knorr. Since 1976 all doctrinal…

SIOP Model – Definition, Factors & Process

Sheltered Instruction Observation Protocol (SIOP) model is a research-based method of instruction that addresses the academic needs of English language learners (ELLs). Traditionally, ELLs would be pulled out of mainstream classrooms…

Alphanumeric Characters – Definition & Characters

Alphanumeric is a combination of alphabetical and numerical characters and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection. Merriam-Webster suggests that the term “alphanumeric” may often additionally refer…