Essential amino acids are defined as those amino acids that:
What will be an ideal response?
must be obtained from the diet
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Which of the following does not pertain to endotoxin?
A. Endotoxin is a bacterial cell wall lipid. B. Endotoxin can cause septic shock in the human body. C. Endotoxin can stimulate fever in the human body. D. Endotoxin is found in acid-fast bacterial cell walls.
Nonfunctional copies of normal genes, which lack both introns and promoters, and are important in estimating evolutionary ages of phylogenetic relationships, are ________
A) transgenes B) retrotransposons C) processed retrogenes D) processed pseudogenes E) duplicated pseudogenes
Citric acid makes lemons taste sour. Which of the following is a functional group that would cause a molecule like citric acid to be acidic?
A. hydroxyl B. carboxyl C. carbonyl D. hydrocarbon
Which of the following is not considered a basic tissue type?
A. connective B. epithelial C. nervous D. muscle E. fat