Work by ________ laid the foundations of immunology with the development of vaccines
A) Redi and Spallanzani
B) Koch and Pasteur
C) Jenner and Pasteur
D) Lister and Semmelweis
E) Pauling and Woese
C
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Which of the following organelle(s) has/have a genome separate from the genome in the cell nucleus?
A. mitochondria B. chloroplast C. nucleolus D. mitochondria and chloroplast E. mitochondria and nucleolus
Homeostasis provides what kind of internal environment?
a. positive b. tolerable c. limiting d. changing e. chemical and physical
Suppose Apple is considering increasing its advertising expenditures to promote the most recent iPhone. To try to assess the effect of such a move, it looks at sales in several small markets. In some of these markets Apple increased advertising expenditures by 30% and in others there was no change. When conducting this "experiment," what is the treatment?
A. The increase in advertising expenditures B. The number of small markets that received an increase in advertising expenditures C. iPhone sales in the small markets that were studied D. The increase in iPhone sales in markets experiencing the increase in advertising expenditures
Anammox is an anaerobic process that generates energy from ________ and forms N2
A) ammonia B) ammonium C) ammonia and nitrate D) ammonia and nitrite