Phages that can either replicate and cause cell lysis or can integrate their DNA into the host DNA are called
A. lysogenic phages.
B. lytic phages.
C. virulent phages.
D. segmented phages.
A
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Both gymnosperms and angiosperms form seeds, which can travel over long distances (either via wind or water). Which of the following are benefits of seed production and dispersal? Select all correct choices
A. Seeds can introduce offspring into environments with ample light. B. Seeds can introduce offspring into pathogen-free environments. C. Seeds can introduce offspring into nutrient -rich environments.
A heterozygous condition would be characterized by the possession of alleles for
A. red hair. B. red hair and red hair. C. brown hair. D. brown hair and red hair.
Discovery of the bacterial cytoskeletal protein FtsZ provided an important link in the evolution of cells since ________.
A. it is only present in E. coli B. it is unrelated to any eukaryotic proteins C. it has no known function D. is was also discovered in mitochondria and chloroplasts
Trichinellosis includes all the following, except
A. the larvae migrate from intestines to blood and various body tissues. B. infection is associated with ingestion of undercooked pork or bear meat. C. humans are infected by ingesting encysted larvae. D. the first symptoms are diarrhea, nausea, fever, and pain. E. All of the choices are correct.