The picture shows protein being formed.
The picture is an illustration of how polypeptide bonds are formed between the amino acid molecules to form a macromolecule known as protein.
Proteins are polymers of amino acids. Two or more amino acids must condense together in order for a protein to be formed. In order for this to happen, the carboxylic group of an amino acid reacts with the amine group of another amino acid. Thus, the 2 amino groups become linked and water is eliminated.
More on the synthesis of protein can be found here: brainly.com/question/16305465
The nurse should obtain the specimen from the catheter.
One of the tests from urinalysis that frequently got contaminated is about infection. The area near the orificium of uretra is near the skin, so there will be microbes around it that can contaminate the sample. The contaminated sample will give a false positive and the result will show the urine are infected.
Taking the specimen from catheter will prevent that contamination, thus giving a better sample.
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D base because the salt and acid form bases they are both ionic
