If there are 32 sister chromatids in a normal somatic cell, what is the haploid number for that cell?
A. 32
B. 8
C. 64
D. 16
Answer: B
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A nuclear pore is most similar to a:
A. pump protein. B. channel protein. C. carrier protein. D. symporter protein.
Which one of the following terms applies to the phylum Bryozoa?
A. radial symmetry B. lophophore C. Parazoa D. deuterostome E. radial cleavage
In the biosynthesis of nucleotides, pyrimidines are assembled starting with ribose-5-phosphate while ribose-5-phosphate is added after synthesis of the nitrogenous base for purines.
Answer the following statement true (T) or false (F)
In which of the following ways are Chlamydia and viruses the same?
A. Both are best treated with antiviral chemotherapy. B. Both can remain dormant in the cell nucleus for long periods of time. C. Both are able to reproduce only within a eukaryotic cell. D. Both have surface proteins that cannot be recognized by the immune system.