Answer:
B) stain only the thicker peptidoglycan cell walls
Explanation:
Gram staining is a technique which was developed by the Hans Christian Gram in 1884 to distinguish the bacterial strains. Based on the colour absorbed and retained by the bacteria, the bacteria are distinguished either as gram-positive or gram-negative.
He used a colour stain- crystal violet which is a positive dye and binds to the cell wall made of peptidoglycan. The crystal violet binds to the cell wall with the help of a mordant called iodine. If this dye retains inside and the cell appears purple then the cell is considered gram-positive else negative.
Thus, Option-B is correct.
C) 1 and 4
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Answer:
main answer
<u>Using the scientific method</u>
normal answer
<u>1. We used a formal method of study to figure out which kind of grocery bag had the least effect on the environment.</u>
Explanation:
What is the student describing?
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Codons are triplets of nucleotides (Adenine, Guanine, Cytosine, and Thymine in DNA/ Uracil in RNA) that are part of the genetic code used to translate the information from DNA into proteins. All the information in the code is translated by RNA which reads the code on the DNA in triplets or codons.
So, in this case, the sequence divided into codons would look like this :
<span> AUG CAG GUU CAA</span>