Which of the following statements concerning HIV infection is false?
1.HIV infects cells in the immune system.
2.HIV uses reverse transcriptase to copy its genome.
3.HIV becomes a provirus.
4.HIV never produces viral particles.
5.HIV can infect other cells in the immune system for years.
4
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Horizontal gene transfer is less prevalent in eukaryotic species because
A. of the presence of organelles in the cells of eukaryotic species. B. of the multicellularity in eukaryotic species, which is laking in prokaryotic species. C. eukaryotic species reproduce by sexual reproduction. D. of multicellularity and sexual reproduction. E. of the presence of organelles and multicellularity.
Mycorrhizal fungi
What will be an ideal response?
Which of the following is a possible future benefit of stem cell research?
A) developing a vaccine for cancer B) reversing damage from a heart attack C) generating embryos from nonliving tissue D) increasing a person's intelligence quotient
These keystone bones of the face contact all other facial bones except the mandible.
What will be an ideal response?