The biological species concept of Ernst Mayr cannot be applied to
A. asexually reproducing organisms.
B. sympatric organisms.
C. prokaryotic organisms.
D. allopatric organisms.
E. eukaryotic organisms.
Answer: A
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The equation, C6H12O6 + 6O2 ? 6CO2 + 6H2O (ATP + Heat), describes which of the following processes?
A. photosynthesis B. cell respiration C. cell fermentation D. glycolysis E. anaerobic metabolism
The poly(A) tail of an mRNA ____
a. is where the start codon is located b. covers the stop codon until it is needed c. protects the mRNA from attack by RNA-digesting enzymes d. is where ribosomes attach at the start of translation e. is where translation terminates
A patient's serum is analyzed and found to have an abnormally low level of CD8 molecules. This suggests that the
patient has insufficient numbers of ____.
a. macrophages b. B cells c. cytotoxic T cells d. helper T cells
e. NK cellsThe development of a new species is called __________.
Fill in the blank(s) with the appropriate word(s).