The use of antibiotics in cattle feed leads to the development of antibiotic-resistant bacteria.
Answer the following statement true (T) or false (F)
True
You might also like to view...
Cytokinesis in plants occurs as ________ and in animals as ________.
A) actin fibers pull the membrane inward until the two sides touch; the Golgi apparatus produces membrane-bound vesicles filled with materials to make the cell wall B) the Golgi apparatus produces membrane-bound vesicles filled with materials to make the cell wall; actin fibers pull the membrane inward until the two sides touch C) the centrosome produces membrane-bound vesicles filled with materials to make the cell wall; the Golgi apparatus produces actin fibers to pull the membrane inward until the two sides touch D) actin fibers interact to make the cell wall; the cleavage furrow pulls the membrane inward until the two sides touch E) the Golgi apparatus produces a cleavage furrow; actin fibers pull the membrane inward until the two sides touch
The variables that investigators try to keep the same for both the experimental and the control groups are
(a) independent. (b) controlled. (c) dependent. (d) a and c.
A health care provider who suspects that a woman may have vaginitis caused by Candida infection can confirm that by
A. submitting a sample of the discharge for PCR amplification. B. submitting a sample of the discharge for metagenomic sequencing. C. identifying pseudohyphae in a Gram-stained smear examined using a light microscope. D. plating a sample of the discharge on a medium containing salt as a selective agent. E. identifying the characteristic protozoans in a smear examined using a fluorescence microscope.
A positive feedback loop is one that tends to amplify a process. Why would the effect of deforestation on the water cycle be considered a positive feedback loop?
A. Because deforestation leads to reduced nutrient uptake during the growing season, which results in more fertile soil. B. Because deforestation leads to new types of habitat which leads to greater species diversity. C. Because deforestation leads to an increase in the concentration of nutrients in run off, which then leads to eutrophication. D. Because deforestation leads to a decrease in precipitation, which results in further loss of vegetation.