Apart of mrna has the sequence cau. use the table below to figure it out which amino acid is coded for by cau, then use a table to figure out which change to this sequence would indicate a silent mutation

So to use this codon table for CAU, we must first find C on the left side, A on the top, and U on the right. When this is found, the amino acid will be given to the right of the codon.

From this table, we can see that CAU is a codon for Histidine.

A silent mutation is a mutation that occurs and there is no detectable change in the amino acid sequence. Therefore, the mutation that occurs must still produce the same amino acid - in this case, Histidine must still be produced.

If we look at the table, there is only one other codon that gives the Histidine amino acid. This codon is CAC. So we know that the original codon is CAU and the other codon is CAC - therefore we can say that the third nucleotide in the codon can be mutated from a uracil (U) to a cytosine (C) and still produce histidine, causing a silent mutation.

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answer;

-vessels in the chest

the diagnosis of angina pectoris literally means "vessels in the chest"

explanation;

-angina pectoris is the medical term for chest pain or discomfort due to coronary heart disease.it is the chest pain due to an inadequate supply of oxygen to the heart muscle. the pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.

agina pectoris is caused by reduced blood flow to your heart muscle. the blood carries oxygen, which the heart muscle needs to survive. when the heart muscle isn't getting enough oxygen, it causes a condition called ischemia