THE MOST LIKELY MODE OF AN ORGANISM THAT POSSESSES ATTACHMENT STRUCTURE, THIN OUTER SURFACE LAYER AND ABSENCE OF AN ELABORATE DIGESTIVE TRACT IS
A. Autotrophic B. holophytic C. parasitic ✓ D. saprophytic E. symbiotic The answer to the question is: C. parasitic An organism that possesses attachment structures, a thin outer surface layer, and the absence of an elaborate digestive tract is most likely to be a…
THE ABSENCE OF ANTI-DIURETIC HORMONE IN HUMANS RESULTS IN
A. decreasing dehydration B. drastic dehydration ✓ C. eliminating dehydration D. increasing dehydration The answer to the question is: B. drastic dehydration The absence of anti-diuretic hormone (ADH) in humans results in drastic dehydration. ADH, also known as vasopressin, is a hormone produced by…
SWITCHING OFF OF LAC OPERON IN THE ABSENCE OF LACTOSE
Lac Operon and its Regulation The lac operon in E. coli is a cluster of genes responsible for the metabolism of lactose. It consists of three structural genes – lacZ, lacY, and lacA, along with the regulatory elements including the…
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