What is the nutritional value in cereals, provided by seed plants, to humans?
a. proteins
b. vitamins
c. carbohydrates
d. lipids
c. carbohydrates
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Which category of media can be described as containing specific nutrients required for the growth of particular bacterial pathogens in a patient specimen?
a. Enrichment b. Supportive c. Selective d. Differential
A seedling plant has a section of the stem tip that contains large numbers of cells undergoing mitosis for the purpose of
A. sexual reproduction of gametes, to produce new offspring. B. fertilization of the gametes in order to produce new offspring. C. growth in height of the plant. D. asexual reproduction of gametes, to produce new offspring. E. replication of the DNA in the stem, where new flowers will go through meiosis.
Today's automated DNA sequencing machines can sequence an individual's entire genome in ____.
A. a few hours B. a few days C. a few weeks D. a few months E. a year
Major evolutionary changes have resulted in anatomical and physiological adaptations that optimize the rate of gas exchange in animals by each of these factors except ________.
A. increasing the diffusion constant for each gas B. decreasing the distance for diffusion C. increasing the surface area for diffusion D. increasing the concentration difference driving diffusion