Biology, 05.11.2019 22:31, cailinhannon4828
Examine the following diagrams. columns i and ii contain rock layers a, b, c, d, e and f. both columns were taken from the same dig site at different locations. which two layers are of approximately the same age?
a)
a & d
b)
b & e
c)
c & d
d)
b & f
Answers: 2
Biology, 21.06.2019 23:00, jacquicmoreland2106
Neelaredoxin is a 15-kda protein that is a gene product common in anaerobic prokaryotes. it has superoxide-scavenging activity, and it is constitutively expressed. in addition, its expression is not further induced during its exposure to o2 or h2o2 (silva, g., et al. 2001. j. bacteriol. 183: 4413–4420). which of the following statements best describes neelaredoxin synthesis? a-neelaredoxin is produced at all times; levels are constant even when exposed to o2 or h2o2.b-neelaredoxin is produced at all times; exposure to o2 or h2o2 increases expression. c-neelaredoxin is produced at all times; exposure to o2 or h2o2 decreases or prevents expression. d-neelaredoxin is only produced when there is exposure to o2 or h2o2.
Answers: 3
Examine the following diagrams. columns i and ii contain rock layers a, b, c, d, e and f. both colum...
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