Many health food stores carry enzyme preparations intended for oral ingestion (by mouth) to supplement existing enzymes in various organs like the liver, heart, and muscle. Use your knowledge of the digestion process to explain why these preparations are unlikely to be effective as advertised.
What will be an ideal response?
Ingested proteins are digested to small peptide fragments and amino acids. Amino acids are absorbed in the small intestine. Enzyme activity depends on the intact three-dimensional structure of the proteins. Digested enzymes would no longer have their three-dimensional protein structure and therefore would not function as enzymes.
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Progressive chromosomal changes as cancer develops are related to the loss of the ability to repair ____________________ in cancer cells
Fill in the blank(s) with correct word
Gram-negative cell walls have an outer membrane that contains lipids and peptidoglycans
____________________ Indicate whether the statement is true or false.
Explain how the destruction of the original tropical forests will affect the development of new medicines
What will be an ideal response?
Where is the majority of ATP generated in prokaryotic cells?
A) in the cytoplasmic membrane B) in the cytosol C) in the thylakoids D) in the inner mitochondrial membrane E) on ribosomes