Which of the following statements about certification are true? Check all of the boxes that apply. Many diagnostic careers require certification.

A certificate shows that an individual has demonstrated a certain level of knowledge in a particular field.

A person must go through a certification program and sometimes pass an exam in order to earn a certificate.

Certifications are often administered by professional organizations.

Answer is all of them on edge 21

Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles.b) the viral genome codes for specialized enzymes not in the host.c) the virus infects only those cells and species that can perform all the replication roles necessary.d) viruses can stay in a quiescent state until the host cell evolves this ability.