Examlex
For each polypeptide sequence listed, choose from the options given below to indicate which secondary structure the sequence is most likely to form upon folding.The nonpolar amino acids are italicized.
A.Leu-Gly-Val-Leu-Ser-Leu-Phe-Ser-Gly-Leu-Met-Trp-Phe-Phe-Trp-Ile
B.Leu-Leu-Gln-Ser-Ile-Ala-Ser-Val-Leu-Gln-Ser-Leu-Leu-Cys-Ala-Ile
C.Thr-Leu-Asn-Ile-Ser-Phe-Gln-Met-Glu-Leu-Asp-Val-Ser-Ile-Arg-Trp
amphipathic α helix hydrophilic β sheet
amphipathic β sheet hydrophobic α helix
hydrophilic α helix
Cytoplasm
The gel-like substance within a cell, excluding the nucleus, containing organelles and is the site of numerous metabolic reactions.
Citric Acid Cycle
A key metabolic pathway that combines acetyl-CoA and oxaloacetate to produce energy through the oxidation of acetyl units.
Primitive Bacteria
Ancient or early forms of bacteria often characterized by simpler structures and fundamental survival mechanisms.
Fossil Record
The collection of fossils, which are the preserved remains or traces of animals, plants, and other organisms from the remote past.
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