Answer:
melatonin
Explanation:
Oxytocin is called a peptide hormone and is normally produced in the hypothalamus, it's released by the posterior pituitary gland. It usually plays a role in social bonding, reproduction, childbirth, and the period after childbirth.
Serotonin is a monoamine neurotransmitter. It plays a vital role in feelings of well-being and happiness. it helps in mental cognition, reward, learning, memory, and numerous physiological processes.
The prostaglandins are groups of physiologically active lipid compounds called eicosanoids having diverse hormone-like effects in animals. It participate in a wide range of body functions such as the contraction and relaxation of smooth muscle, the dilation and constriction of blood vessels, control of blood pressure etc.
Melatonin is a hormone that regulates the sleep–wake cycle. It is primarily released by the pineal gland. As a supplement, it is often used for the short-term treatment of trouble sleeping.
Definitely, if the sleep scientist is working on developing a drug for people who lack proper amount of sleep hormone, He should be working on Melatonin.
Answer: IT's a eukaryotic cell since it has a nucleus bacteria doesnt have a nucleus so it's not a bacteria lol
Answer:
Option (e).
Explanation:
Meiosis may be defined as the process of cell division in which a single parent cell divides into four daughter cells. The chromosome number reduces to half in meiosis.
Crossing over is the process of exchange of genetic material between the homologous chromosomes of the non-sister chromatids. Crossing over will bring variation in the gametes. Hence, the absence of crossing over results in the formation of gametes with less genetic variation.
Thus, the correct answer is option (e).
Things like bones, teeth, shells, and leaves are considered body fossils. Trace fossils give us proof of animal life from the past. Trace fossils include things like foot prints, burrows, and fossilized poop. i dont know if this will help but it might