Which of the following is a CORRECT matching of an organelle and its function?
a. Golgi apparatus - protein synthesis
b. lysosome - transport
c. mitochondrion - cell respiration
d. endoplasmic reticulum - houses DNA
Answer: c. mitochondrion - cell respiration
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Glycoprotein spikes protruding from the outer surface of viral envelopes function as
A. toxins. B. cell lysis factors. C. factors that bind to host cells. D. factors needed for site specific recombination.
During telophase I, ____
a. chromosomes condense b. chromosomes align along the equatorial plane of the cell c. nuclear envelopes form in some species but not in others d. homologous chromosomes separate e. tetrads form
In studies designed to determine the origin of HIV, how did the researchers first know that Marilyn the chimp may be infected with HIV?
A. She had been used in HIV research. B. She had tested positive for antibodies against HIV. C. She had HIV DNA in her tissues. D. She had symptoms of HIV infection, or AIDS. E. She had HIV RNA in her blood.
Which of the following organs are likely to be
affected by a defective CFTR protein?
a. lungs b. intestines c. heart d. lungs and intestines e. heart and intestines