When a person is startled by a nearby car horn, the sympathetic nervous system will increase its activity. This part of the nervous system will activate the person's fight-or-flight response. It will help the person decide whether to fight aggressively or to flee quickly. In this case, it will tell the person to quickly move away from the car.
Answer:
Glucose,energy , water , hydrogen
Answer:
By forming chromatin and in the condensed form of chromosomes
Explanation:
The human genome contains around 3 billion base pairs which are located in the nucleus of all cells. In order to accomodate such large genomic information, DNA is maximally supercoiled during mitosis and meiosis processes to form condensed structures called chromosomes. Humans have 23 pairs of chromosomes per somatic cell. The supercoiling process is assisted by a family of proteins called histones, which interact with DNA and regulate its conformation. The complex between DNA and histones within the nucleus is called chromatin. When chromatin is supercoiled it form chromosomes (in eukaryotic cells).
Lipids include fats, steroids, phospholipids, and waxes, also lipids play an important role in living organisms. some of their main functions include energy storage, hormones, and cell membranes.
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