Why has DNA analysis been effective recently at overturning faulty criminal convictions?
A) Genetic evidence can determine if an individual is predisposed to criminal behavior.
B) Scientific evidence was not admissible in U.S. courts until just recently.
C) Juries have tended to exhibit biases against DNA evidence in the past; however, that trend is now changing.
D) DNA evidence is a more reliable individual identifier compared to eyewitness testimony.
E) Scientists only discovered in 2005 that each individual's DNA is unique.
D) DNA evidence is a more reliable individual identifier compared to eyewitness testimony.
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Penicillin stops bacterial cell wall formation by
A) inhibition of a transpeptidase. B) inhibiting synthesis of NAM. C) inhibiting synthesis of NAG. D) inhibiting transport of NAG and NAM past the permeable membrane.
Based on morphology and phytochrome gene sequencing data, it appears that the closest living relative
of the first flowering plants is ____.
a. Magnolia grandiflora b. Illicium floridanum c. Nelumbo nucifera d. Archaefructus sinensis e. Amborella trichopoda
The useful magnification of a light microscope is limited by the ________ of the light source being utilized.
Fill in the blank(s) with the appropriate word(s).
The first animals that biologists now classify as tetrapods appear in the fossil record __________ million years ago.
a. 365 b. 600 c. 540 d. 120 e. 65