Eukaryotic chromatin can be described in topological terms as a series of:
A. constrained segments.
B. constrained loops.
C. relaxed linear segments.
D. relaxed loops.
E. plectonemic supercoils.
B
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Restriction enzymes are useful in creating recombinant DNA molecules because they
A) generate "sticky ends" by cutting at the same sequence in any DNA source. B) are found only in human cells, where they naturally mend broken DNA strands. C) are used to encapsulate and transport foreign DNA into cells of the target organism. D) stimulate DNA amplification so that the desired cells or their products can be scaled up.
Mistletoe is a plant that grows in the branches of trees. Its roots penetrate the bark of the tree, allowing it to obtain water and nutrients. The tree is harmed, and can even die as a result of this interaction. This is an example of
A. commensalism. B. herbivory. C. parasitism. D. predation. E. mutualism.
A(n) ____________________ is the type of place a species normally lives. Fill in the blank(s) with the appropriate word(s)
Explain the difference between a plasmodium and Plasmodium
What will be an ideal response?