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
Ans: c) all of the choices are correct
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A DNA site called a ________ is the binding location for a transcriptional repressor.
Fill in the blank(s) with the appropriate word(s).
Genes in their natural state cannot be patented. This policy allows research and use of natural products for the common good. What argument might be presented in favor of patenting genes or gene products?
What will be an ideal response?
Which is not a characteristic of the gymnosperms?
A) Cones B) Seeds C) Pollen D) Flowers
In eukaryotes a so-called cap consisting of ________ is attached to the 5' end of the molecule during posttranscriptional modification of hnRNA to produce functional mRNA.
Fill in the blank(s) with the appropriate word(s).