Answer:
Cells are the basic units of life. Cells can exist by themselves, like bacteria, or as part of a larger organism, like our cells. Viruses are non-living infectious particles, much smaller than a cell, and need a living host to reproduce. The genetic material of the cell is DNA, a double stranded helix.
Explanation:
What can u explain more ur question
Answer:
anthrax
Explanation:
caused by gram-positive, rod-shaped bacteria known as Bacillus anthracis
Answer:
d. A centrifuged sample of blood would yield a composition of 45% plasma and 55% cells
Explanation:
Blood is a mixture of plasma and formed elements. Plasma consists of the fluid portion of the blood and approximately makes up 55 percent of the blood. On the other hand, the formed elements are the red blood cells, white blood cells, and platelets which make up about 45 percent of blood.
Answer:
Exercise
Explanation:
Cognitive impairment is the condition where a person has difficulty in recalling or remembering things. They also find it difficult to perform daily tasks and make decisions. They are not able to concentrate hence also have trouble learning new things. Cognitive impairment can be present genetically although it is observed almost in a large number of ageing people.
Exercise has been proven to help in cases of mild to severe cognitive impairment. In an experiment it was proven that 6 months of aerobic exercise reversed cognitive impairment symptoms in ageing people. It particularly benefits people carrying the APOE4 gene variant responsible for making people susceptible to Alzheimer's.
