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What is the molecular basis of dynamic instability?
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- What is molecular complementarity?Which of the following best describes the central dogma of molecular biology? O A) MRNA is transcribed into DNA, which is then translated into a protein B) DNA is translated into MRNA, which is then transcribed into a protein O C) DNA is transcribed into mRNA, which is then translated into a protein O D) MRNA is translated into DNA, which is then translated into a protein E) DNA is replicated into MRNA, which is then transcribed into a protein(2.1-2.4) - X D myloneStar Login B BIOL 2401 Spring21 Hybrid Am x+ A https://ezto.mheducation.com/ext/map/index.html?_con3con&external_browser%3D0&launchUrl=https%253A%252F%252Fm Saved (2.1-2 4) Place each term or phrase in the proper position to identify the item or process being addressed. Product that has been reduced Reactant being oxidized Reduced coenzyme Oxidizing reaction Reduced hydrogen Reducing reaction Oxidizing agent Reducing agent Oxidized hydrogen Oxidized coenzyme NAD* + 2H NADH + search a
- explain thigmotropism?DESCRIBE the process shown in the model below. In addition to your description of the process and the steps involved, identify A, B, C, and D. (hint: a description involves more than one sentence.)The following two sequences represent the same gene from two different species: Assume that all changes in the third position are synonymous and all in the first and second positions are nonsynonymous. a) How many synonymous sites (positions) are there in the gene? b) How many nonsynonymous sites (positions) are there in the gene? c) How many synonymous substitutions are there between species? d) How many nonsynonymous substitutions are there between species? e) What is the dN/dS ratio? f) What does the dN/dS ratio tell you about the evolution of this sequence? Finally, It has been hypothesized that population size affects genome size. What is the proposed relationship? How can it be explained?
- Stanley Miller and Harold Urey created an experiment that simulated conditions on early Earth. Building on the results from this experiment, scientists decide to test the effect of varying the initial amount of NH3 on monomer formation. They set up the same simulation with the exception of starting with three different concentrations of NH3. The amounts of H2 and CH4 are kept constant in each treatment. They run five simulations per NH3 concentration, as well as five simulations that only have H2 and CH4. What is the independent variable? * Temperature Sparks O Monomer formation Amount of NH3Stanley Miller and Harold Urey created an experiment that simulated conditions on early Earth. Building on the results from this experiment, scientists decide to test the effect of varying the initial amount of NH3 on monomer formation. They set up the same simulation with the exception of starting with three different concentrations of NH3. The amounts of H2 and CH4 are kept constant in each treatment. They run five simulations per NH3 concentration, as well as five simulations that only have H2 and CH4. Why did the scientists run five simulations with no NH3? O To test the hypothesis that early Earth's atmosphere contained no NH3. O This serves as the control group. ) To test the effect that H2 and CH4 have on monomer formation. O NH3 is a controlled variable.Please consider Figure 8.8 (attached below) in the textbook (Figure 8.7 in the 4TH edition), which contains data that were obtained by Clegg et al., is redepicted from their paper that was published in 1980, and for which information is provided on pp. 300-302 in the textbook (pp. 289-291 in the 4TH edition textbook); assess comprehensively the lowercase-Roman-numeral-labelled statements that appear immediately below; and click the uppercase-letter-labelled response that is presented below and conveys the most accurate information. i. At generation 0, the populations were characterised by D = -1 or D = 1.ii. The D value changes could have resulted from processes including crossing over during meiosis.iii. The D values changed by the factor (1- r) each generation.iv. At generation 0, the populations were characterised by D = -0.25 or D = 0.25.v. At generation 0, the populations were characterised by extreme values, representing complete linkage disequilibrium. Question 1 options:…