Answer:
a. Mitochondria
Explanation:
Mitochondria, the so-called "powerhouses" of cells, are unusual organelles in that they are surrounded by a double membrane and retain their own small genome.
Answer:
Jamaica Black cattle breed
Explanation:
Thomas Phillip Lecky, known as T.P. Lecky (1904-1994), was a Jamaican scientist who developed several new breeds of cattle. Lecky is known as one of Jamaica's earliest environmentalists, and a strong advocate for conservation of hillsides.
When the human body receives a neurotransmitter from outside of the body. The first aspect to consider is if the neurotransmitter entered through the blood vessels by injection or by oral intake. When the neurotransmitter is in the blood stream can reach the receptor of this neurotransmitter in the body. If the person is healthy, the receptor will receive an overstimulation so the answer will be stronger than normal quantities of the neurotransmitter. Nevertheless, the reuptake of the neurotransmitter will occur in the same way as natural neurotransmitter.