Gallstones are made of

a. calcium.
b. sodium.
c. iron.
d. cholesterol.
e. oxalates.


D

Biology & Microbiology

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An evil genius wants to stop all vascular plants from photosynthesizing. He decides to send his minions out to cut off the structures in plants where most photosynthesis takes place. Which structures should his minions remove?

A. roots B. flowers C. leaves D. stems

Biology & Microbiology

Which of the following organisms grow on higher plants to produce truffles?

A) euglenids B) kinetoplastids C) mycorrhizae D) lichens E) water molds

Biology & Microbiology

What is the difference between whole-chromosome aberrations and point mutations?

A) Point mutations affect a single base pair in the genome; aberrations affect a large section. B) Aberrations are not permanent changes in the DNA; point mutations are permanent. C) Point mutations are not permanent changes in the DNA; aberrations are permanent. D) Point mutations are the loss of parts of chromosomes; aberrations are the loss of whole chromosomes.

Biology & Microbiology

Based on the information in Table 8.3, prostate cancer is probably the result of which kind of mutation?

A) analog B) frameshift C) missense D) nonsense E) None of the answers is correct.

Biology & Microbiology