How is HIV transmitted?
Correct answer: D. All of the above
- A. Sexual contact
- B. Blood
- C. Breast feeding
- D. All of the above
Explanation
HIV is a sexually transmitted disease that spreads to the blood, especially in target cells of the immune system known as T-cells; thus, the virus can also be transmitted through blood transfusions. Since the virus is very small in size, it can also pass from mother to child through breast milk. Hence, option D is the correct answer.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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