Which of the following is the strongest evidence that protein structure and function are correlated?

a. proteins can readily form hydrogen bonds with water.
b. denatured (unfolded) proteins do not function normally.
c. proteins have four distinct levels of structure and many functions.
d. enzymes tend to be globular in shape.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

What processes would you expect to be key in the production of yogurt ?

Describe a desert community where there are fewer producers than consumers.