Related words. 1  high technology noun. 2  push technology noun. 3  technology therapy noun. 4  appropriate technology noun. 5  information technology noun. 6  intermediate technology noun. 7  clean technology noun at cleantech.8  blind someone with science/technology phrase. 9  modern technology. 10  the frontiers of knowledge/science/technology.0% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars.
Two receptors, CD4 and a co-receptor act sequentially to trigger fusion of viral and cellular membranes and confer virus entry into cells. For HIV-1, the chemokine receptor CCR5 is the predominant co-receptor exploited for transmission and replication in vivo.
Answer: a) HIV is a retrovirus overtaking living cells to duplicate itself. Explanation: HIV is a retrovirus, a virus that overtakes the biosynthesis of living cells to duplicate itself. HIV invades a normal cell and uses that cell's biomechanisms to reproduce new HIV cells. The terms HIV and AIDS are not synonymous. HIV is the virus responsible for causing AIDS, but the person who is HIV positive does not automatically have AIDS. HIV is not curable, it is only treatable. The nurse is caring for a client undergoing testing for HIV.