The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
The endosymbiotic theory explains that mitochondria and chloroplasts descended from the same type of bacteria. Symbiosis is an interaction between two organisms of different species, and <u>endo</u>symbiosis is a type of symbiosis in which one organism lives <u>inside </u>the other one. According to the endosymbiotic theory, a host cell ingested symbiotic bacteria, which specialized into mitochondria or chloroplasts. The evidence for this theory is that mitochondria and chloroplasts, like bacteria, have their own circular DNA. They also have their own transcriptional and translational machinery.
"Hippocampus" is the one part of the central nervous system among the following choices given in the question that helps students remember the correct answers to the questions on these exams. The correct option among all the options that are given in the question is the second option or option "B".
Soil is made up of four major components.
- 25% of water
- 25% of air
- 45% of rock particles
- 5% of leaves
<span>Vaccination offers protection against future exposure to pathogens because the vaccine is made from the part of the weakened pathogen. A vaccine gives enough immunity in a person’s system and helps create antibodies against sickness brought by pathogens. This will result in you to acquire future protection or immunity against the pathogen without getting sick. </span>
