Which addition to a DNA sequence would not cause a frameshift mutation?
A) T
B) GC
C) GCT
D) GGCT
C) GCT
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How are transformed bacteria that contain a plasmid with an inserted foreign gene identi?ed?
What will be an ideal response?
Two populations that inhabit the same area but remain genetically distinct can best be called
A. species. B. subspecies (races). C. polymorphic. D. allopatric species. E. sympatric species.
An example of local control over breathing is ____
a. automated lung ventilation and perfusion adjustments to changing O2 levels in the blood b. the aortic bodies signaling an increase in breathing rate when blood pH is acidic c. refinement by the interneuron groups of the pons of contractions involved in inhalation and exhalation d. the carotid bodies signaling an increase in breathing rate when O2 levels are low e. the ventral group of interneurons signaling an increase in breathing rate and depth during exercise
What type of bond forms at regular, short intervals along a new polypeptide chain?
a. ionic b. covalent c. glycosidic d. hydrogen e. coordinate covalent