Examlex
Researchers in the late 1950s isolated multiple antibiotic-resistant strains of the bacterium Shigella,which causes dysentery.Such resistance was caused by nonchromosomal R factors that originated in E.coli.Which of the following forms of extrachromosomal heredity-maternal effect,organelle heredity,infectious heredity-would you consider most closely related to the transfer bacterial antibiotic-resistant strains?
Second Growth Spurt
The phase of accelerated growth typically occurring during adolescence, following the initial growth spurt in early childhood.
Prenatal Development
The process of growth and development within the womb from conception to birth.
Infants
Young children from birth to one year of age, focusing on rapid physical and cognitive development during this early life stage.
Standing
The ability or act of supporting oneself in an upright position on the feet, often associated with developmental milestones in humans.
Q4: A certain type of congenital deafness in
Q5: Attenuation involves the termination of mRNA synthesis.
Q13: The following table presents the effect
Q15: One of the primary reasons for generating
Q15: Monod discovered that if tryptophan is present
Q20: In the 1860s,a Swiss chemist,Friedrich Miescher,isolated an
Q25: Eukaryotic chromosomes contain two general domains that
Q26: Name the single individual whose work in
Q37: What term is used to describe the
Q53: Alleles that are masked by an epistatic