The basic pattern of breathing is established by the DORSAL RESPIRATORY GROUP located in the MEDULLA OBLONGATA.
Answer:
B.
burning of fossil fuels
it increase the amount of carbon present in atmosphere.
Answer:
The main function of the virion is to deliver its DNA or RNA genome into the host cell so that the genome can be expressed (transcribed and translated) by the host cell. The viral genome, often with associated basic proteins, is packaged inside a symmetric protein capsid.
Explanation:
what is a virus A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, more than 9,000 virus species have been described in detail of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology.
A. True
Conception is basically the action of conceiving a child.
In conclusion, when a sperm meets an egg, the egg gets fertilized leading to pregnancy.
Answer: this is because bacteria that encounter such an environment UNDERGO DEATH AS A RESULT OF WATER LOSS FROM THE CELL.
Option C.
Explanation: Water is a great medium of growth for bacteria. Several experiments have been carried out to support this statement. Also, it is a means by which the bacterium is transmitted from "a site" to another.
