Moss is an example of which type of plant?
a) haplontic plant
b) vascular plant
c) diplontic plant
d) seed plant
Ans: a) haplontic plant
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The treatment for pneumonia caused by Pneumocystis jiroveci in AIDS patients is
A. Amantadine B. Combination of trimethoprim and sulfisoxazole C. Streptomycin D. Miconazole
Suppose that a meteorite crashes into Earth and a sample of it is taken to a local research lab for analysis. Embedded several inches within the rocky structure, a microscopic cluster of dormant, spore-like structures is found
The scientists culture some of this material in a standard microbiological nutrient broth, and they are surprised to find many single-celled "organisms" moving around, growing, and reproducing in the broth. The "organisms" behave the same in both daylight and dark conditions, do not require oxygen, and thrive under a wide range of temperatures and pH levels. They stop moving, growing, and reproducing, however, when fewer nutrients are available in the medium. In this scenario, the "organisms" most closely resemble a(n) A) nonliving virus. B) autotrophic species of Eukarya. C) heterotrophic species of Eukarya. D) photosynthetic species of Bacteria. E) heterotrophic species of Archaea.
You have homologous pairs of chromosomes in each of your cells. In what way are these pairs of chromosomes identical?
A) They have exactly the same genes. B) They will stay together during meiosis. C) They have genes for the same traits. D) They both come from the same parent.
Psychrotrophs can survive refrigeration and are sometimes the cause of food spoilage and foodborne illness. The range in which they can live is: (Give your answer in this format which is not the correct answer: 15C-120C)
A) 0C-35C B) 0C-20C C) 15C-35C D) 10C-55C