Most of the 19 differentially up-regulated C. chlorochromatii genes in a symbiotic relationship are involved in
a. amino acid metabolism and nitrogen regulation.
b. cell-to-cell communication.
c. adhesion and motility.
d. central metabolism.
Answer: A
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a. cuticles b. protoplasts c. stomata d. trichomes e. bark
It is assumed that the chloroplasts of eukaryotes are evolved from
A. animal cells. B. photosynthetic bacteria. C. algal cells. D. fungal cells.
Antigen-presenting cells include
A. dendritic cells and macrophages. B. dendritic cells and B cells. C. macrophages and B cells. D. macrophages, B cells and dendritic cells. E. macrophages.
Which of the following correctly lists organisms from least complex in overall development to most complex?
A) hydras, sponges, lobsters B) sponges, hydras, clams C) sponges, clams, hydras D) sponges, hydras, tunicates