What evidence supports the argument that the structure of amino acids allows them to form proteins with widely varied shapes?

Which hotel do you think is most likely to move ahead in market competition? a. a hotel that provides basic amenitiesb.a hotel that provides luxurious amenitiesc.a hotel that shows understanding of customers' latent needsd.a hotel that gives discounts

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

What are the student's observations and inferences before he starts his investigation?