The CODIS database links the DNA typing information to the person's Social Security number.
a. true
b. false
b. false
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The disinfecting properties of Lysol, a common household disinfectant, depend upon the presence of ________.
Fill in the blank(s) with the appropriate word(s).
Accommodation involves the ability to
a. change the sensitivity of the rods and cones by means of neurotransmitters. b. change the curvature of the cornea. c. change the thickness of the lens by contracting or relaxing certain muscles. d. adapt to large changes in light intensity. e. do all of these
The analysis of parent—offspring conflict in birds has generated some interesting observations. For example, researchers hypothesized that chicks should beg to be fed by their parents more loudly when their nestmates are less closely related. (See Figure A, where Of = optimal parental investment where the lost siblings are full sibs, and Oh for an offspring whose lost siblings are half sibs.)
Do the data collected bear this out (Figure B)? Figure A Figure B A) Yes, species that evolve extra-pair parentage also tend to evolve louder begging chicks. B) No, the genetic relatedness of the chicks has nothing to do with the level of begging by chicks. C) The data are inconclusive; no conclusion can be formulated.
The generation time of bacterial cells is shortest during the ________ phase
A) death B) lag C) log D) stationary E) longitudinal