Which of the following statements about leptin and obesity is correct?
a. Obese people tend to have unusually low levels of leptin.
b. As a result of low levels of leptin in obese people, food cravings are not regulated
adequately.
c. Obese people often develop resistance to leptin and thus appetite is not suppressed.
d. A diet high in saturated fats tends to block leptin production and thus stimulates appetite
C
You might also like to view...
ou observe the symbiotic association of a green algae and a fungus in your backyard. After a time you note that the fungus has sickened, and it eventually dies. What do you predict will happen to the green algae?
A. Nothing; only the fungus received a benefit from the association. B. The green algae will have more water and minerals available so it will thrive. C. The green algae will be more vulnerable to grazers and pathogens. D. The green algae will be shaded by the fungus, so it will thrive. E. The green algae will have more oxygen available to it will thrive.
is easy to recognize a turtle as a turtle, but why has it been difficult to categorize them
taxonomically?
What will be an ideal response?For which axon might you expect action potential propagation to be the fastest?
a. a myelinated axon with a small diameter b. an unmyelinated axon with a small diameter c. a myelinated axon with a large diameter d. an unmyelinated axon with a large diameter e. axon myelination and diameter do not affect action potential propagation rate
Answer the following questions true (T) or false (F)
1. Streak plates are a useful way to obtain CFUs. 2. Agar is a useful compound in the microbiology lab because it is an excellent nutrient for bacteria. 3. Enrichment culturing may require use of controlled environmental conditions.