An unstable nucleus spontaneously releases a positron. this is an example of

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the inability of an individual or a society to achieve a minimum standard of living known as ?