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1) Crossing over - in Prophase I of meiosis, non-sister chromatids in the same bivalent (i.e. chromatids on separate chromosomes within a homologous pair) can exchange alleles, creating n...

Transcription is the formation of an mRNA molecule from its complementary DNA template.
First the enzyme DNA helicase unwinds the double helix, and the hydrogen bonds between complementary bases brea...

1. Phototropins are enzymes found in the plasma membrane of particular cells. They are phosphorylated when hit by blue light.
   2) This phosphorylation triggers the movement of auxin across the plan...

Mitosis consists of four basic phases.

1. Prophase

2. Metaphase

3. Anaphase

4. Telophase

It is a co...

PRIMARY PROTEIN STRUCTURE

This is the sequence of amino acids in a polypeptide chain. These are bonded together by strong covalent bonds. 

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