Answer:
I think it is the first one
Answer:
B) if two species are closely related.
Explanation:
DNA analysis is used to determine the relationship between two species in order to check their relations with each other because DNA molecules has all the information about the organisms. If there is more similarities between two organisms so they are more closely related to each other while on the other hand, if there is no similarities between two species so we can say that there is no relationship exists between two organisms or species. All this discussion describes the usefulness of DNA analysis.
The nurse should recognize this as Chvostek sign.
<h3>What is
Chvostek sign?</h3>
A clinical indication that someone may have low blood calcium levels is the Chvostek sign (a decreased serum calcium, called hypocalcemia). The aberrant twitching of muscles that are stimulated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII) is known as the Chvostek sign.
The facial muscles on the same side of the face will occasionally contract when the facial nerve is touched in front of the ear (called ipsilateral facial spasm). Frequently, the muscles that regulate the nose, lips, and brows will spasm.
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Answer:
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.