A.
In the diagram, an arrow leads from the splitting of water, to the two photosystems, and then to NADP+.
What process is represented by this arrow?
a. the formation of high-energy sugars
b. the cycling of light energy within the photosystems
c. the movement of electrons along the electron transport chain
d. the conversion of electrons into sunlight
Answers: 1
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 3
Biology, 22.06.2019 12:30
Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?
Answers: 1
A.
In the diagram, an arrow leads from the splitting of water, to the two photosystems, and then t...
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