Imagine you conduct a parabiosis experiment with two strains of mice, one of which lacks a functional leptin gene (ob strain) while the other lacks a functional receptor for this hormone (db strain). Which of the following outcomes would you observe?

A. no weight change in the ob mouse
B. no weight change in the db mouse
C. increased body weight in the ob mouse
D. decreased body weight in the ob mouse
E. decreased body weight in the db mouse


D. decreased body weight in the ob mouse

Biology & Microbiology

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You have identified an enzyme that appears to be involved in the addition of palmityl group (a fatty acid) to certain proteins. Knowing that palmitoylated proteins are usually targeted for delivery to the plasma membrane, in which organelles might this enzyme be expressed?

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Most cancers are hereditary?

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