Outside of living cells, viruses are
A. scavenging glucose.
B. slowly stockpiling ATP from the mitochondria.
C. using cilia to move to the next host.
D. metabolically inert.
D
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The organelle involved in the oxygen-requiring process by which the energy harvested from macromolecules is used to generate ATP is the:
A. chloroplasts. B. ER. C. nucleus. D. lysosome. E. mitochondria.
Medicines containing hormones affect developing in the fetus
a) lungs b) brain structures c) limbs d) muscles
A urine specimen obtained from a patient went to the microbiology lab for a bacterial culture and antibiotic sensitivity testing. The specimen sat out on the processing counter for a couple of hours before being cultured. Twenty fours hours later, the lab report goes into the computer---over 100,000 bacterial cells per milliliter of urine. Which statement is an accurate assessment of these results?
A. Urine samples have to be taken from the kidney in order to get a true bacterial count. B. Not all bacteria will grow on bacteriological media, so the total count is grossly underestimated. C. Urine is a sterile fluid as it leaves the body, so it is likely that the specimen was mishandled by the nursing staff when the sample was obtained. D. The bacterial count is not accurate since the culture sat without refrigeration.
Why is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity? What will be an ideal response?