How are doctors and paleontologists most similar? Both diagnose injuries.
Both study bones.
Both look at preserved remains.
Both develop treatment plans.

Both study bones.

Explanation:

The similarity between a doctor and paleontologist is that both study bones. A medical doctor deals with human life, a paleontologist studies the remains of preserved dead organisms in nature.

 In both professions, it is common to encounter bones of the subject. A good knowledge of bone anatomy is important for recommendation of treatment. The bone structure can be used by a paleontologist to make very important deductions about how an organism once lived.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.