A (colony/plaque/prophage) is a clear zone on a bacterial lawn where cells have been killed by the activity of a bacteriophage

What will be an ideal response?


plaque

Biology & Microbiology

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Which of the following is not a type of sequence identified by gene annotation?

A. topoisomerase B. noncoding RNA C. single copy gene D. tandem repeat E. simple sequence repeat

Biology & Microbiology

What protozoan parasite is acquired by the oral route, but once ingested can readily cross the placenta causing an infection in the fetus that can result in a number of congenital defects?

A. Cyclospora cayetanensis B. Giardia intestinalis C. Cryptosporidium parvum D. Toxoplasma gondii

Biology & Microbiology

Forty-nine percent of a population is homozygous dominant for a particular trait. According to the Hardy-Weinberg law, the gene frequency of this dominant allele will be 

A. 0.24. B. 0.49. C. 0.70. D. 0.9.

Biology & Microbiology

Which of the following has the LEAST effect on blood pressure in a young adult?

a. Temperature of the room b. Position of the body c. Level of conditioning d. Supplemental vitamins

Biology & Microbiology