Alleviates are found in which of the following supergroups?
a. unikonta
b. SAR clade
c. archaeplastida
d. excavata
Ans: b. SAR clade
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Among vertebrate animals, urea is _____
A) made in the kidneys and immediately excreted B) added to the air in the lungs to be exhaled, along with carbon dioxide C) made in the liver by combining two ammonia molecules with one carbon dioxide D) made in the pancreas and added to the intestinal contents, along with bile salts, for excretion E) rarely the nitrogenous waste
The movement of substances from higher to lower concentration across a semipermeable membrane via a specific protein carrier but without energy expenditure is called ________.
A. active transport B. endocytosis C. facilitated diffusion D. diffusion E. osmosis
John Martin
What will be an ideal response?
Physician Edward Jenner promoted the use of cowpox, a harmless pathogen related to the dangerous smallpox, as a vaccination to provide patients immunity from future smallpox epidemics. This is an example of
A. active immunity. B. passive immunity. C. an inflammatory response that decreased the IgE production and increased T cells. D. developing high levels of interferon although Jenner did not realize these diseases were viral. E. developing high levels of complement.