The region of a gene encoding the 5'UTR (5' untranslated region) of an mRNA is not considered to be an exon.
a. true
b. false
Ans: b. false
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Living or dead organisms that occupy an organism's habitat are called biotic factors.
Answer the following statement true (T) or false (F)
Which of the following pairs correctly matches the monomer with its polymer?
A) peptides; proteins B) amino acids; polysaccharides C) glucose; proteins D) terpenes; nucleic acids E) nucleotides; nucleic acids
Which of the following pathogens would our innate immunity help protect us against?
A. fungi B. bacteria C. viruses D. Innate immunity would defend us against all of these pathogens.
According to Koch's postulates, in order to prove that any given infectious agent causes a certain disease, a scientist must satisfy all of the following requirements EXCEPT:
A. the pathogen must be cultured and isolated from every case of the disease B. the disease is caused by the triangle of infection, host, environment and the pathogen C. the same pathogen must be re-isolated in the diseased host D. the cultured pathogen must cause the disease when inoculated into a healthy host E. the pathogen must be present in every case of the disease