Of all the different types of plants, only _____________ are able to survive in the harsh environmental conditions of Antarctica

A. lycophytes
B. gymnosperms
C. angiosperms
D. bryophytes
E. ferns


D

Biology & Microbiology

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The use of transposons to generate mutations is a convenient way to create bacterial mutations in the laboratory

Indicate whether the statement is true or false.

Biology & Microbiology

E. coli strains toxic to humans live in the

intestine of ____ without sickening them. I. birds and frogs II. goats and sheep III. cattle and deer

a. I only b. I and II c. II and III d. I and III e. all of these

Biology & Microbiology

Most genetic engineering involves the use of ____

a. yeast and plants b. plants and E. coli c. yeast and mice d. bacteria and mice e. yeast and bacteria

Biology & Microbiology

Which of the following statements best describes how lateral flow assays demonstrate the presence of bacterial, fungal, and viral antigens?

A. During the assay, bacterial antigens present in a specimen are pretreated by coating them with colloidal gold prior to binding to an antibody. B. A positive test results from the binding of the conjugated antibody and antigen to a fixed antibody directed against the antigen in the capture zone. C. A positive test results from the precipitation of the antigen-antibody complex in the capture zone. D. Migration of labeled antigen to the capture zone produces a positive result.

Biology & Microbiology