Examlex

Solved

Define "Half-Life" in Terms of MRNA

question 48

Essay

Define "half-life" in terms of mRNA. Biologically, why is it important that the half-life of mRNA be the shortest of the RNAs? What chemically leads to a longer half-life for tRNAs and rRNAs?


Definitions:

Sterile Plastic

Plastic materials that have been treated to eliminate all forms of life and biological contaminants.

Clean-Catch Midstream

A method of urine collection that involves cleansing the genital area and collecting urine midstream to minimize contamination.

Urine Culture

A laboratory test in which urine is placed on a growth medium and bacteria are allowed to grow for 24 to 48 hours. Any large growths of bacteria are then identified. Urine cultures are often followed by a sensitivity or susceptibility test to determine which antibiotic will be most effective against the bacteria.

Pathogens

Microorganisms that can cause disease in humans or other organisms, including viruses, bacteria, fungi, and parasites.

Related Questions