The giant blocks of limestone used to build the great pyramids of Egypt consist largely of the shells of ____________________

Fill in the blank(s) with correct word


rhizarians

Biology & Microbiology

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A bacterial cell must have ___________ in order to transfer portions of its chromosome to another cell.

A. an F factor B. a high frequency of combination plasmid C. a recombination factor D. growth enhancement genes E. all of these components

Biology & Microbiology

Sphaerotilus and Leptothrix are examples of

A. purple sulfur bacteria. B. Enterobacteriaceae. C. sheathed bacteria. D. green nonsulfur bacteria.

Biology & Microbiology

Some autosomal dominant diseases do not run in the family because they are lethal before the affected individual can __________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Review the organisms that cause opportunistic mycoses and their predisposing factors by completing the sentence. ___________ is a yeast that can cause respiratory, central nervous, and mucocutaneous infections in these patients with an immunocompromised status.

> Pneumocystis jiroveci > AIDS > Aspergillus > Thrush > Candida albicans > Antibiotics > Cryptococcus

Biology & Microbiology