Unlike pinnipeds, sirenians are completely free from the terrestrial environment

Indicate whether the statement is true or false


T

Biology & Microbiology

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Fred Griffith's experiment, in which he used two strains of Streptococcus pneumoniae, demonstrated that _____

a. pathogenic bacteria function differently in mice than in other organisms b. harmless bacteria can become transformed into disease-causing bacteria by a bacteria transformation factor c. pure DNA extracted from disease-causing bacteria transformed harmless strains into killer strains d. dead cells lose their genetic information e. DNA is a protein rich in nitrogen and phosphorus

Biology & Microbiology

The scientific field of study that analyzes genes and proteins to identify targets for therapeutic drugs is

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

Biology & Microbiology

Which of the following features is unique to the Class Aves?

a) hair b) notochord c) wings d) shelled eggs e) barbules

Biology & Microbiology

The domain _______ contains species that are prokaryotic?

a. Archae b. Bacteria c. Eukarya d. a and b

Biology & Microbiology