Answer:
Mosquito.
Explanation:
Encephalitis may be defined as the medical condition of the inflammation of brain. The symptoms of encephalitis are fever, headache, confusion and seizures.
The mosquito is mainly responsible for the transmission of encephalitis virus. Japanese encephalitis is transmitted by the bite of the culex mosquito. Ticks are also responsible for transmission of the disease but they are not insects.
Thus, the correct answer is option (a).
When we first see chiasmata under a microscope, we know that Separation of Homologs has occured.
Answer: Dopamine
Explanation:
It is made in the brain and also can be used as messengers particularly chemical messengers to relay message between nerve cells. It also help in how we feel pleasure and also assist us with that special ability to think first and then plan.
Answer:
S1 and S3
Explanation:
The spine is composed of 33 vertebrae and has 31 pairs of nerves that are distributed throughout the body in an organized manner. Each nerve that leaves the spine is responsible for imparting sensitivity and strength to a particular area of the body, so whenever there is a compression or cut of a nerve, a particular area of the body is compromised.
When a person has a feeling of numbness in the foot, as shown in the above question, it is more likely that there is a change in the spine, specifically in the nerves S1 and S3. This is because nerve S1 is responsible for eversion of the foot, while nerve S3 is responsible for the intrinsic muscles of the foot.
Answer:
Digital and analog signals are transmitted through electromagnetic waves. Changes in frequency and amplitude create the music you listen to or images that you see on a screen. Analog signals are composed of continuous waves that can have any values for frequency and amplitude.
