In countries where tuberculosis is common, people are vaccinated with (BCG/INH/MDR-TB), which contains attenuated Mycobacterium bovis bacteria.
Fill in the blank(s) with the appropriate word(s).
BCG
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Whisk ferns, club mosses, and horsetails have all the following characteristics in common with ferns except
A. all of these plants are seedless tracheophyte plants. B. all of these plants produce flagellated sperm. C. all of these plants form antheridia and archegonia. D. all of these plants require free water for the process of fertilization to occur. E. all of these plants have no vascular tissue.
All marine mammals:
a. are faster swimmers compared to other marine animals. b. have lungs modified to breathe underwater. c. are aggressive in obtaining food. d. are intelligent compared to other marine animals. e. have baleen.
What is a contributing factor to an estuary's high productivity? a. The large amount of primary producers
b. The small amount of predators. c. The biomass of detritivores. d. The trapping of nutrients in sediments.
In a certain breed of chicken, two genes control color. A dominant allele (I) inhibits the expression of
any color gene (C). A second recessive gene (c) results in albinism when homozygous (cc). Give the F2 phenotypic ratio of a colored chicken ii CC with a white II cc. What will be an ideal response?