Answer:
In 1943, Ren Kimura and Susumu Hotta first isolated the dengue virus. These two scientists were studying blood samples of patients taken during the 1943 dengue epidemic in Nagasaki, Japan.
Answer Abnormal protein buildup, called amyloidosis
Answer:
The correct answer is D.
Explanation:
Bordetella pertussis is a gram-negative coccobacillus that causes a disease called whooping cough.
The bacterium infests the patients by colonizing lung epithelial cells. To do so, it requires adhesins, called filamentous haemagglutinin, fimbriae and pertactin. Once the bacterium is attached to the lung epithelial cells, it produces a cytotoxin that prevents their cilia from moving.
Another virulent factor from B. pertussis is the pertussis toxin, which alters host immune system through the inhibition of phagocytes response to it.
Answer:
The correct answer is : middle childhood.
Explanation:
Middle childhood is the time age between 6 to 12 that deals with various developments in child to prepare them for their adolescence period. It is the third stage of human development .
In this period child begin to learn expressing their emotion, refined their motor skill and socially active outside of the family. The motor skills are refined through various physical activity such as playing, sports, and running.
Thus, the correct answer is : middle childhood.
