Bacteria that produce a metallic sheen on Endo agar belong to which of the following categories?
A) Nonlactose fermenter
B) Lactose fermenter
B) Lactose fermenter
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________ matter (particularly humus) makes soil dark or black
Fill in the blank(s) with correct word
Mitotic divisions reduce the number of chromosomes found in daughter cells. Indicate whether the statement is true or false
Compared to just a century ago, a much larger percentage of the population is living to be 80-90 years old. Why does cancer seem to be a much larger problem today than a century ago?
What will be an ideal response?
Hypoxic conditions __________
a) can promote the migratory properties of cancer cells, causing the spread of a tumor b) cause cancer cells to activate a transcription factor called HIF c) all of the choices are correct d) can cause cancer cells to induce the formation of new blood vessels