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Which one of the following amino acids is an aromatic amino acid?(A)   Lysine(B)   Histidine(C)  Threonine(D)  Phenylalanine (E)   Methionine

Following an abrupt increase in grain intake, soon after pasture grazing, a beef cattle can readily develop a condition called metabolic acidosis. Which acid is mainly responsible for this condition?

A complete Electron Transport Chain includes five enzyme complexes (labelled as I through V) along the inner mitochondrial membrane. The name of Complex V is ________________.(A)  NADH dehydrogenase(B)  Succinate-Q reductase(C)  Cytochrome reductase(D)  ATP synthase(E)  Cytochrome C oxidase

Aspartate dehydrogenase can remove an ammonia (-NH3) group from an aspartate molecule, and after that the aspartate molecule will become ____________. (A) Pyruvate(B) Oxaloacetate(C) Alpha-ketoglutaate(D) Citrate(E) Lactate

How many carbon atoms are there in one sucrose molecule?

Compare the digestive systems between an adult horse and an adult pig in terms of anatomy, digestive functions, and dietary preference. [Hint: You can point out the similarities between them first, and then point out the differences. You can use a ruminant animal as a reference if you need to.]

A protein is usually a string of amino acids linked by peptide bonds.

How many NADH are produced after a complete glycolysis pathway?

A general formula for a saturated fatty acid is R-COOH and the “R-”  equals -CnH2n+1. Now we have an acid, C23H41COOH. Please tell me that this is a or an __________________. (A) SFA(B) MUFA(C) PUFA(D) SCFA(E) EFA

The very reactive chemical group of Co-enzyme A is _________.(A)  -OH(B)  -NH2(C)  -PO4(D)  COO-(E)   -SH