Species of Shigella are characteristically non-motile. Based on this information, you can predict that members of the Shigella genus:

What will be an ideal response?


do not have H-Antigens

Biology & Microbiology

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In a physical map, distances are measured in

A) recombination frequencies. B) number of SNPs. C) base pairs. D) probabilities. E) microns.

Biology & Microbiology

Give some reasons as to why some people become obese whereas others do not.

What will be an ideal response?

Biology & Microbiology

Which of the following most accurately describes selective permeability?

A) An input of energy is required for transport. B) Lipid-soluble molecules pass through a membrane. C) There must be a concentration gradient for molecules to pass through a membrane. D) Only certain molecules can cross a cell membrane.

Biology & Microbiology

Recombinant DNA technologies are most often used for

A) creating billions of copies of a target gene in a few hours. B) genetic screening of newborns for inherited diseases. C) measuring expression levels of a gene in a particular cell. D) producing large amounts of a particular protein quickly and easily. E) creating billions of copies of a target gene in a few hours, measuring expression levels of a gene in a particular cell, producing large amounts of a particular protein quickly and easily, and genetic screening of newborns for inherited diseases.

Biology & Microbiology