When a doctor suggests following a diet low in saturated fats, which of these products is preferred when cooking?
a. oils with single bonds between their carbon atoms

b. oils with double bonds between their carbon atoms

c. animal fats, which are solid at room temperature

d. butter, which is solid at room temperature

When a doctor suggests following a diet low in saturated fats, oils with double bonds between their carbon atoms is preferred when cooking. The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

The other answer is correct, but more specifically:

D. They both develop calcium carbonate structures.

The addition of calcium carbonate makes exoskeletons harder/stronger.