Mamadou has started to experience severe pain due to kidney stones, which he has developed for the first time in his life. A bone scan shows that his bones are losing calcium at an alarming rate and becoming weakened

Based on the information in this chapter, predict what his physician is most likely to look for.


Mamadou's symptoms point to a tumor of the parathyroid glands.

Biology & Microbiology

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A nonprofit conservation organization receives a sizeable donation and decides to purchase several thousand acres of "high desert" in southern California. This particular type of desert has an intermediate level of species diversity and few unique species. However, much of the original areas of high desert have been converted to suburban housing and shopping. The decision by the nonprofit to preserve this area was most likely based upon what conservation strategy? 

A. Conservation of endemic species hotspots B. Conservation of megadiverse areas C. Conservation of representative habitats D. Conservation of single species

Biology & Microbiology

When a person is tested for HIV, the test is considered positive if _______ to the HIV are present.  

A.  bacteria B.  antigens C.  antibodies D.  T-cells E.  natural killer cells

Biology & Microbiology

During transcription, _____

a. non-coding sequences are removed from the RNA transcript b. regulatory proteins attach to the DNA at the promoter site c. DNA polymerase assembles RNA nucleotides d. the entire DNA strand opens up for complete gene transcription e. tRNA brings nucleotides to the DNA strand

Biology & Microbiology

The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the 

A. lysosome. B. mitochondrion. C. chloroplast. D. flagellum.

Biology & Microbiology