Which portion of the photosynthetic apparatus is involved in the oxidation or splitting of water?
A. reaction center
B. antenna complex
C. P680 chlorophyll
D. manganese cluster
E. light-harvesting complex
D. manganese cluster
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Which of the following ions is associated with auxin and used during signal transduction that causes a plant to bend towards a light source?
A. H+ B. Ca2+ C. Mg2+ D. Na+
The underlying problem in Gaucher disease is ____
a. the spontaneous breakdown of red blood cells b. the accumulation of fat in white blood cells c. the breakdown of the myelin sheath around nerves d. a hypertrophied spleen e. the lack of critical liver enzymes
What is the difference between a totipotent stem cell and a pluripotent stem cell? What piece of
evidence would you need to distinguish them? What will be an ideal response?
Which virus may play a role in multiple sclerosis?
A. Cytomegalovirus (CMV) B. Epstein Barr Virus C. Herpes simplex virus-2 D. Smallpox E. Human herpesvirus 6 (HHV-6)