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Two different copies of the same chromosome, which came from two different parents
The process of forming tetrads; replicated homologs pair up and become physically connected
A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids
When a protein shifts between severla similar structures in performing its biological function
Molecules whose chemical structure has been altered (by chemical or physical means) and its original properties are lost or diminished
Five structures found on in plant cells:
Chloroplasts, granum, central vacuole, tontoplast and cell wall
Four steps of building a polypeptide:
transcribe mRNA; mRNA associates w/ribosome; tRNA carry amino acids to mRNA; Amino acids form protein chain
Are the openings in the nuclear envelope that regulate what substances can pass through it
Plays an important role in the modification/transportation of newly formed proteins
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