Answer:
Symptomatology and transmission
The clinical manifestations of acute HBV infection are age dependent. Infants, young children (younger than 10 years of age), and immunosuppressed adults with newly acquired HBV infection are usually asymptomatic. [2] Older children and adults are symptomatic in 30%–50% of infections
The segments of the DNA that are transcribed into mRNA and are used to produce amino acids are called EXONS. This segments are coding regions. In the transcription process, the non-coding regions are removed and the only segments that remain are the coding regions. The exons are used to produce amino acids.
Answer:
Running water
Explanation:
The erosive agent of the Grand Canyon is the Colorado River, a fluvial erosion happens. The fact that the territory is higher, cause more precipitation in the drainage basin of the Colorado River. This greater amount of rainfall gives the stream greater speed, making it more erosive.
23. When the sperm cell then meets the egg, the 23 chromosomes that each sex cell have form the 46 total chromosomes that each human being has.
