Different genes are expressed in two type of cell.
Answer:
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Answer:
C) binding to mRNAs and degrading them or blocking their translation
Explanation:
<u>miRNAs:</u>
miRNAs is the abbreviation of MicroRNAs. These are the small noncoding RNAs of ∼22 nucleotides which can not code for peptides. miRNAs are responsible for gene expression regulation at the level of post transcription. They can do so by forming complementary base pairing with target mRNA and inhibiting their translation.
They silenced mRNA by the following processes:
(1) Cleavage of the mRNA strand into pieces,
(2) stopping mRNA from translation into proteins by ribosomes.
(3) Shortening of mRNA poly(A) tail and destabilizing it.
This individual is a healthy carrier.
A healthy carrier (sometimes called asymptomatic carrier) refers to a person whose organism is infected by a microorganism (virus, bacteria, parasite) without presenting any clinical manifestation.
This absence of reaction may result either from a weakness of the infectious agent or from the effectiveness of the defenses of the subject.
Nevertheless, a healthy carrier can transmit a disease to other people. This is for example the case of hemophilia or certain genetic pathologies.
