Which statement is TRUE regarding ATP synthesis in oxygenic phototrophs?
a. Cyclic photophosphorylation does not occur in oxygenic phototrophs.
b. Cyclic photophosphorylation occurs only when there is sufficient NADH-reducing power.
c. Noncyclic photophosphorylation does not occur in oxygenic phototrophs.
d. Noncyclic photophosphorylation occurs only when there is sufficient NADH-reducing power.
Answer: B
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If you were following the inheritance patterns of two different sets of multiple alleles located on
different chromosomes, how many different possible gametes could be produced if locus 1 had five possible alleles and locus 2 had six alleles? What will be an ideal response?
Most automated nucleotide sequencing machines detect bands by ________.
A. autoradiography B. measuring incorporated radioactivity C. laser induced fluorescence D. sizing DNA fragments produced by base specific chemical cleavage reactions
The spreading of cancer cells, wound healing, and blood clotting all rely on the same type of cell movement called
A. crawling. B. swimming. C. waving. D. whipping.
Tight junctions ____
a. seal the spaces between cells
b. allow ions and small molecules to pass between cells c. allow cells to communicate with each other d. give the cell its shape e. anchor the cell membrane to the cell wall