The reduction of nitrogen gas to ammonia is called nitrogen (fixation/cycling/oxidation)
What will be an ideal response?
fixation
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Parallel ? sheets differ from antiparallel ? sheets because:
A. neighboring amino acids are on one rather than both sides of the sheet. B. large aromatic groups are only allowed with parallel sheets. C. parallel sheets can form between a single polypeptide. D. the N-to-C orientation of all the ? strands are aligned. E. hydrogen bonds are crucial for stability.
In proteins, structural segments called ____ provide flexibility that allow parts of the protein to bend, fold, or move
a. random coils b. peptide bonds c. b sheets d. a helices e. b polysaccharides
You have identified a new molecule associated with the immune system that drastically reduces cell division by tumor cells in vivo. Develop a hypothesis and design an experiment to test your hypothesis using a model organism
Include an explanation as to why it is the best model for your experiment. What will be an ideal response?
Bruce Reimer was born with ambiguous genitalia
a. True b. False