1. suppose the synthesis of an amino acid was accomplished by four enzymes encoded by four genes that formed an operon. draw a model of the operon showing how it could be controlled by negative regulation both at the level of transcription initiation and elongation via attenuation.
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Biology, 21.06.2019 14:30
Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience
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Biology, 22.06.2019 01:00
The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote
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Biology, 22.06.2019 03:30
Which of the following typically characterizes a tropical rainforests
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Biology, 22.06.2019 17:50
The starting materials in a nuclear change have a total mass of 2.3465 x 10-27 kg. after the change, the resulting materials have a mass of 2.3148 x 10-27 kg. how much energy was released during the change? 2.85 x 10-12 2.08 * 10-10 j 0 211 * 10-10 j 8.56 * 10-43
Answers: 1
1. suppose the synthesis of an amino acid was accomplished by four enzymes encoded by four genes tha...
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