A botanist discovers a new seed-forming plant. She notices that this plant lacks a vascular cambium and also appears to form new roots at the base of its stem. How should this plant be classified? Select all correct choices
A. as an angiosperm
B. as a cycad
C. as a conifer
D. as a monocot
E. as a eudicot
A,D
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Which line in the graph represents the bag with the highest initial concentration of sucrose?
A) A B) B C) C D) D E) E
An example of a pathogen that undergoes rapid changes resulting in antigenic variation is _____
A) the influenza virus, which expresses alternative envelope proteins B) the strep bacteria, which can be transmitted from patient to patient with high efficiency C) human papilloma virus, which can remain latent for several years D) the causative agent of the autoimmune disease known as rheumatoid arthritis E) multiple sclerosis, which attacks the myelinated cells of the nervous system
Which of the following is NOT true of
kwashiorkor?
a. it is the result of a diet poor in fatty acids b. symptoms include brittle hair c. symptoms include muscle loss and fatigue d. symptoms include an enlarged liver e. all of these are true of kwashiorkor.
Treatment for Neisseria meningitidis consists of ________.
A. tetracycline B. vancomycin C. oral penicillin G D. rifampin E. intravenous penicillin G