All of the following statements about cell suspension cultures are true EXCEPT
A. cell suspension cultures produce the same chemicals the entire plant produces.
B. large numbers of plants are grown and collected from the natural environment to produce chemicals in the laboratory.
C. chemicals are produced and extracted in high concentrations, sometimes from genetically modified cells.
D. digitalis, digitoxin, and quinine are produced by cell suspension culture.
Answer: B
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As described in section 46.1 and Fig. 46.6 of your book, natural populations are affected by both density-dependent and density-independent factors
In a population affected mainly by density-dependent factors, would you expect natural selection to favor an r-selected or Kselected life history? __________ What will be an ideal response?
Which chemical process occurs in which a substance loses electrons?
a. entropy b. enthalpy c. oxidation d. reduction e. anabolism
The most likely place where an exoenzyme participates in a chemical reaction is
A. within the cell membrane. B. cytoplasm. C. mitochondria. D. outside of the cell. E. lysosomes.
XO
a. turner syndrome b. jacob syndrome c. Poly-X d. Klinefelter Syndrome