Answer: A. Epinephrine functions as a hormone in the endocrine system and as a neurotransmitter in the nervous system.
Explanation: Epinephrine can act as a hormone and also as a neurotransmitter. Epinephrine can also be referred to as adrenaline.
The adrenaline is a hormone that is secreted mainly by the medulla of the adrenal glands and the Epinephrine primary function is to increase cardiac activities and also to increase the level of glucose in the blood. Its actions vary by tissue type and tissue expression of adrenergic receptors. Epinephrine acts on nearly all body tissues.
Answer: An emission nebula is a cloud of ionized gas. The most common source for ionizations are high energy photons emitted from a nearby star. These can be among some of the most colorful objects in the sky. Reflection Nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars.
Explanation:
Answer: True Because the segregation of alleles into gametes can be influenced by gene linkage
This is showing the cell membrane.
This is because if you look, there is a protein channel. The job of a cell membranes is too control the flow of materials moving in and out of it. The protein channel helps to do that.