"DNA footprinting" is a technique that can be used to identify:
A. a region of DNA that has been damaged by mutation.
B. the position of a particular gene of a chromosome.
C. the position of internally double-stranded regions in a single-stranded DNA molecule.
D. the specific binding site of a repressor, polymerase, or other protein on the DNA.
E. All of the choices given can be identified by this technique.
D
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During a period of low water availability, the prokaryotic structure that would protect a cell from desiccation (drying out) is the rev: 09_22_2014
A. pili. B. plasma membrane. C. nucleus. D. glycocalyx.
The ________ DNA sequencing technique aligned DNA pieces one chromosome at a time.
A) clone-by-clone B) whole-genome shotgun C) positional cloning D) software-automated
Based on the following phylogenetic tree, is the sun bear more closely related to the sloth bear or to the brown bear? Explain your reasoning.
What will be an ideal response?
Which one of the following is the least likely reason that bipedalism evolved in hominoids?
A. requires less energy than walking with all four legs B. allows better surveillance for predators C. frees the hands for carrying food to be shared with others D. increases access to food resources E. frees the hands for tool-making