Examlex
Bananas plants, which are triploid, are seedless and therefore sterile. Propose a possible explanation.
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.
Globin
A group of proteins that form part of the structure of hemoglobin, responsible for oxygen transport in the blood.
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