Which of the following is correct regarding leptin?
A) Ob mice lack the gene that codes for ghrelin.
B) Leptin produces a decrease in metabolic rate.
C) Leptin stimulates eating.
D) Leptin levels in the blood are proportional to the fat stores of the body.
E) leptin release is stimulated by the entry of food into the duodenum.
Question 2
Studies using decerebrate rats indicate that
A) the circuits controlling ingestion lie forward to the brain stem.
B) CCK acts within the frontal cortex to stimulate eating.
C) the brain stem contains circuits that allow a rat to chew and to swallow.
D) decerebrate rats are unable to chew, to swallow, or to distinguish tastes.
E) feeding circuits are contained within the forebrain.
A gene locus
Gene cloning
Correct position when lifting a heavy object off the floor.
Gene therapy can prevent progression of metachromatic leukodystrophy
Microarray procedure for analyzing gene expression in normal and cancer cells
The leptin–melanocortin pathway of energy balance