Mutations are more susceptible to natural selection in large populations, such as the bacterial ones. The bigger the population it is and the shorter the lifespan of the organism, the tougher is the competition between the individuals. So, even a small change, a mutation that enables its holder to have even slightly more chance to survive and reproduce makes a huge difference.
In addition, bacteria have prokaryotic cells that lack the DNA repair mechanisms and they are replicating more often than human cells with eucaryotic cells, which explains the higher rate of mutations in their genomes compared to human ones.
Answer:
Calcium is a mineral that people need to build and maintain strong bones and teeth. It is also very important for other physical functions, such as muscle control and blood circulation.
Explanation:
Answer:
At high temperatures the shape of the enzyme is altered so that it is no longer complementary to its specific substrate. This effect can be permanent and irreversible and is called denaturation
<span>The largest of these is the aorta, or main artery, which carries nutrient-rich blood away from the heart. Another important vessel is the pulmonary artery which connects the heart with the lungs as part of the pulmonary circulation system.</span>
Answer:
In Denmark and Sweden, sexual assistance for people with disabilities is a social service and is paid with public money by the State.
Explanation:
Sexual assistance for people with disabilities in Denmark or Sweden is a right, despite the opposition of some sectors of society, the State predestines public resources for sexual health of people with disabilities, who can use the services of prostitutes, and others, considering a health system. This service is a demand for these people, since they were not usually taken into account as sexually active, and their main focus was on their basic needs.