A prokaryote that occupies a habitat consisting of a low pH is a(an):
a. Thermophile
b. Halophile
c. Basophile
d. Acidophile
e. Hydrophile
Answer: d. Acidophile
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Archaeal cell walls
A. are disrupted by treatment with lysozyme or penicillin. B. include orthomureine. C. are similar to those of Gram-negative bacteria. D. lack murein and D-amino acids.
Edward Jenner was able to protect people from contracting smallpox by injecting them with material from cowpox pustules because
a. both smallpox and cowpox are caused by the same virus, which causes a less severe disease in cows. b. antibodies against cowpox virus antigens can bind to similar proteins on the coat of smallpox virus. c. the injected fluid activated the nonspecific immune response, guarding against any subsequent infection. d. the material from the pustule contained antibodies that the cow had produced to the viral coat proteins. e. the material from the pustules contained weakened smallpox virus.
If you tear your Achilles tendon you are damaging ECM-rich ________ tissue.
A. epithelial B. muscle C. nervous D. connective
Outline a procedure for producing a useful new recombinant product
What will be an ideal response?