<span>Depression is linked to an imbalanced level in serotonin. Serotonin is a neurotransmitter that is produced in the brain. These neurotransmitters helps the brain to send and receive messages from one part of the body to another. Serotonin affects nearly all the cells within the brain. As a result human behavior, mood, sleep, and even appetite can be greatly influenced. Aggressive behavior although can result from the same imbalanced levels of serotonin. Researches believe that the lack of receptors, or the inability for serotonin to reach these receptors, may also impact our ability to control anger and aggression.</span>
Answer:
The telomerase gene is being expressed.
Explanation:
Telomerase is the enzyme responsible for maintenance of the length of telomeres by addition of guanine-rich repetitive sequences. Telomerase activity is exhibited in gametes and stem and tumor cells.
Independent telomerase functions can be also involved in cell cycle regulation.
Its mainly flat and semi arid grasslands
Karma is related to reincarnation because who or what you reincarnate to relates to karma. If you did good deeds, lived a good life, then you have good karma and reincarnate to something better then you were in your previous life. If you did bad things then you would have bad karma, and get the bad thing you did done to you in your next life.
Answer:
b. Individuals colonize another planet and become isolated from earth.
Explanation:
Natural selection is a theory by Charles Darwin which states that organisms best adapted to an environment are more likely to survive and pass that adaptation to their offspring. When individuals colonize a new planet and are isolated from Earth, those that best adapt to the new planet will likely survive and pass the adaptation to their offspring according to natural selection theory.
