The tuberculin response is the result of a(n) (antibody-mediated/cell-mediated/immediate hypersensitivity) response.
Fill in the blank(s) with the appropriate word(s).
cell-mediated
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Looking at a bacterial phylogenetic tree, in which group would you not expect to find photosynthetic bacteria?
A. cyanobacteria B. proteobacteria C. gram-positive bacteria D. purple sulfur bacteria E. heliobacteria
Accidents can occur in meiosis wherein members of a chromosome pair fail to separate at anaphase. This is called ________.
A. chiasma B. genetic recombination C. genetic variation D. nondisjunction
To prove the claim that "If an individual's income goes up, their demand for our product goes up" by Transposition it would suffice to show:
A. any individual with falling income has falling demand. B. any individual with falling demand must have falling income. C. every individual with increasing income has increasing demand. D. None of the answers is correct.
You've discovered a new species of sea spider! You've based your discovery on the spider's appearance, but you need to use molecular data to discern how it is evolutionarily related to other described species. Which of the following approaches might be useful for comparing you new species with those species already described?
What will be an ideal response?