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All of the amino acids that are used to synthesize human proteins (with the exception of glycine) have which one of the following in common? A.An aromatic groupB.A hydroxyl groupC.An asymmetric carbon in the D-configurationD.An asymmetric carbon in the L-configurationE.An asymmetric β -...
composition, namely by the finding of a single-canal cell (instead of two) but two types of secretory cells (instead of one). Rosenberg and Hilken [15] apparently mistook the type 2 secretory cell for the intermediary cell. Basically, the cellular configuration in venom gland units is highly...
Seventy-six collections representing all five genera of Amanitaceae and ten sections ofAmanita(Additional file 1: Table S1) were included in the phylogenetic analyses based on Dataset I. Five species fromPluteus,Volvariella, andMelanoleucawere used as outgroups. The final matrix comprised fragments o...
(2) altering the terminal amino acids from L-amino acid to a D-amino acid (arginine-vasopressin analog 1-deamino-8-D-arginine [77, 78]); (3) converting the linear peptide into a cyclic analog to avoid degradation by carboxy- and amino-peptidases (successfully performed in a model ...
1B. The peak current is highest at a potential of about +300 mV versus Ag/AgCl; hence, all the experiments concerning direct electron transfer were performed at this working potential. In yeast cells, mitochondrial FC b2 catalyses the dehydrogenation of L-lactate to pyruvate, transferring the ...
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Which compounds are L-monosaccharides? Monosaccharides: The simplest form of carbohydrates that cannot be further hydrolyzed is known as monosaccharides. They are classified depending on the carbon count in the open chain as follows: Tetroses Pentose Hexoses Heptoses Answer and Explanation: 1...
While the exact furin cleavage site in NODAL has not been described to our knowledge, the Arginine-Histidine-Arginine-Arginine (RHRR) sequence, specifically between amino acids 234 and 237 in the precursor form of the protein, represents the only amino acid sequence in NODAL that matches the ...
In human, ram, rabbit, bull, and boar spermatozoa, the SpM has higher amount of long- chain polyunsaturated fatty acids (PUFAs) with cis configuration than the membranes of the somatic cells [9–11]. In addition, differences have been found in the proportion of unsaturated to saturated [12...