When plaque becomes mineralized with calcium and phosphate crystals, it becomes a hard, porous substance called ________.

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


calculus

Biology & Microbiology

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Keratins are considered to be obligate heterodimers in that the dimers forming their filaments must contain one __________ and one __________ subunit?

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

Biology & Microbiology

The disease characterized by a high blood glucose due to a deficiency of insulin production or failure of cells to respond to insulin is ____________ mellitus.

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

Biology & Microbiology

The first animal group to show extracellular digestion was the

A. cnidarians. B. sponges. C. roundworms. D. flatworms.

Biology & Microbiology

Which phrase most accurately describes the genome of most viruses?

A) surprisingly complex, with around 1 million genes B) the same as most bacteria, with hundreds of genes C) relatively simple, with around a dozen genes or fewer D) surprisingly complex, with tens of thousands of genes

Biology & Microbiology