Answer:
a. As the temperature rises, the cricket chirp occurs more rapidly therefore increasing. It is correct.
b. As the humidity rises, the cricket chirp frequency occurs more rapidly therefore increasing. It is incorrect. The increase in humidity does not affect the chirp frequency in crickets.
Explanation:
As temperature increases, the frequency of cricket chirp increases too. After listening to the audios, we can see that in the first audio, where the temperature is 14° Celcius, the frequency is 24 chirps in 15 seconds. In the second audio, with 19° Celcius, the frequency is 28 chirps in 15 seconds. In the last audio, where the temperature is 24° Celcius, the chirp's frequency is 34 chirps in 15 seconds. In conclusion, if the temperature increases, the chirps' frequency increases too.
As humidity increases, the frequency of the chirp does not. In the three audios, the number of chirps in 15 seconds was 20. We can conclude that humidity does not affect the frequency of chirps frequency.
The correct option is this: THE DISCOVERY OF CODONS.
<span>Codons refers to a sequence of three DNA or RNA nucleotides which corresponds to a particular amino acid or a stop signal during protein synthesis. Thus, the genetic codon is used to translate the information that are encoded within genetic materials into proteins. The genetic codons was discovered by Marshall Nirenberg and Heinrich Matthaeis, who deciphered the entire genetic codes by matching amino acids to synthetic triplet nucleotides.</span>
In Sanger sequencing, once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added. This phenomenon is useful to sequence a polynucleotide chain.
Dideoxynucleotides (ddNTPs) are nucleotide inhibitors of the DNA polymerase, it is for that reason that they are used in Sanger sequencing.
The ddNTPs are similar to natural deoxynucleotides used by cells during ADN replication; however, ddNTPs lack a hydroxyl (OH) group on the 3’ carbon of the deoxyribose.
In consequence, once a ddNTP is added, DNA synthesis cannot progress, thereby this phenomenon can be used to determine the order of nucleotides during the elongation of a polynucleotide DNA chain.
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To test the saying, Megan has to use steps of scientific method.
The first thing that the Megan should do is to make a hypothesis that ''bees makes a fine honey from berry orchid.'' Then he has to do experiment by placing the apiaries in the berry orchids in order to find out his hypothesis. After sometime, Megan has to collect the data and draw the conclusion in the light of her observation in order to find out that the honey bees made honey or not so in this way the Megan used steps of scientific method in order to test their hypothesis.
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