The ________ point is the stage at which the moisture level in soil decreases to a level at which plants can no longer extract water
Fill in the blank(s) with correct word
wilting
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Phenotypic testing is often beneficial in identifying infectious agents from patient samples; however, some disadvantages include
A. non-specificity of some biochemical tests since all pathogens utilize the same substrate as a fuel source. B. organisms must be grown on the same culture media so it is difficult to distinguish them from each other. C. lengthy culturing times and the inability to grow some bacteria in vitro. D. difficulty in identifying motile organisms.
The indigenous microflora of the external ear canal is most like the indigenous microflora of the:
A) colon. B) mouth. C) skin. D) distal urethra.
You are a genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she
could have cystic fibrosis. Genetic tests reveal that the woman is a carrier for cystic fibrosis but the man is not. How should you advise them?
a. Half of their children will have cystic fibrosis, and the other half will be carriers. b. All of their children will have cystic fibrosis. c. There are no concerns, because none of their offspring have a chance of inheriting the cystic fibrosis allele. d. While none of their children will have cystic fibrosis, each child will have a 50% chance of being a carrier. e. All of their children will have a 25% chance of having cystic fibrosis.
Species diversity of plankton in the North Atlantic has been reduced by
a. global warming. b. oil spills. c. toxic compounds. d. solar flares. e. alteration of surface currents.