Leptin is a product of
A. the brain.
B. adipose tissue.
C. the stomach.
D. the small intestine.
E. the liver.
B. adipose tissue.
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The process by which the movement of internal bonds converts one type of organic compound to
another is a. condensation. b. cleavage. c. functional group transfer. d. electron transfer. e. rearrangement.
The actions of insulin and glucagon could be described as
a. synergistic. b. antagonistic. c. cooperative. d. permissive. e. mutualistic.
In Type-I survivorship, the young have a high probability of surviving. Indicate whether the statement is true or false
Early in the twentieth century, many biologists believed that the genetic material of living organisms had to be made of protein–it seemed that only proteins had the complexity to store the vast amount of genetic information that organisms need. How is
a relatively simple molecule such as DNA capable of storing large amounts of genetic information? Another requirement for genetic material is that it will sometimes need to be replicated. How does DNA satisfy this requirement? What will be an ideal response?