Which of the following is NOT caused by bacteria?
a. morning breath
b. pneumonia
c. malaria
d. tuberculosis
e. the taste of sourdough bread
Answer: c. malaria
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Imagine that you are investigating the production of insulin in normal cells. You are using these cells to help determine the cause of faulty insulin production in other cells where insulin appears to be synthesized but fails to be secreted from the cell
You design experiments using three different pharmaceutical compounds to help pinpoint the trouble spot in the protein synthetic pathway. The first compound blocks transport vesicle movement in the cytoplasm. The second blocks the SRP release from the ribosome and mRNA. The third compound binds to and blocks the signal sequence so the SRP cannot recognize it. Which of the following describes what you would expect to observe in cells treated with the inhibitor of transport vesicle movement? A. an accumulation of insulin in the cytosol B. an accumulation of insulin in the Golgi C. an accumulation of insulin at the plasma membrane D. a lack of insulin in the cell
The critical period is
A) the time during which a sperm can fertilize an oocyte. B) the time during which an embryo can implant in the uterine lining. C) the time during development when structures are sensitive to damage from a mutation, toxin, or virus. D) the labor period.
Which of these would be an effective method of controlling yeast populations in a test sample?
a. constant stirring to break up biofilms b. percolating oxygen through the sample c. adding enzymes to inhibit mating factor d. adding antibiotics to the test sample
New technology has made it possible to screen an individual’s entire genome, instead of testing for one genetic
disorder at a time. This technology uses ____________________ that carry DNA from the entire human genome. What will be an ideal response?