Examlex
Rubidium consists of two naturally occurring isotopes rubidium-85 and rubidium-87. Rubidium-85 (85Rb) has an isotopic mass of 84.9117 amu and a 72.15% abundance. Rubidium-87(87Rb) has a 27.85% abundance. The atomic weight of rubidium is 85.4768 amu. Determine the isotopic mass of 87Rb?
X Chromosome
Is one of the two sex chromosomes, with females having two X chromosomes and males having one X and one Y chromosome, playing a crucial role in determining genetic traits.
Estrogen
A group of steroid hormones that play a crucial role in the development and regulation of the female reproductive system and secondary sexual characteristics.
Tay-Sachs Disease
A rare, inherited disorder that destroys nerve cells in the brain and spinal cord, marked by a loss of motor skills and progressive neurological decline.
Central Nervous System
The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information.
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