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Indicate true (T) and false (F) statements below regarding bacterial and viral evolution. Your answer would be a four-letter string composed of letters T and F only, e.g. FFFT.
( ) Bacteria that reside in natural soil that has not been deliberately exposed to antibiotics are normally sensitive to any antibiotic.
( ) Whereas bacterial and eukaryotic pathogens evade the immune response mainly by genetic recombination, antigenic variation in most viruses occurs by error-prone replication mechanisms.
( ) If an antibiotic targets a vital bacterial protein that cannot be altered in any way to become antibiotic-resistant and functional at the same time, the bacteria would never develop resistance to the antibiotic.
( ) It is impossible to develop effective vaccines against viral infections, since viruses evolve very rapidly.
Mental Age
An assessment of a child’s intellectual standing compared with that of same-age peers; determined by comparing the child’s test score with the average score for children of each chronological age.
Wechsler Adult Intelligence Scale
A standardized test designed to measure adult intelligence through various verbal and performance indicators.
Verbal Scale
A scale used to measure subjective phenomena where responses are given in words rather than numbers or graphical symbols.
Mental Age
An assessment of an individual's mental capability expressed in terms of the average abilities of a certain age group.
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