Examlex
X-rays
Control Expression
The regulation of gene expression, ensuring that the correct genes are expressed at the right time and place, and in the appropriate amount.
Genes
Segments of DNA located on chromosomes that contain the instructions for the production of proteins.
α-Helix
A common helical structure found in proteins, characterized by a right-handed coil where each amino acid residue correlates with a 100-degree turn in the helix.
Beta-Pleated Sheet
A common motif of secondary structure in proteins characterized by beta strands connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet.
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