Examlex
Planck's constant is h = 6.6 * 10-34 Js.An x-ray photon has an energy of 6.6 * 10-15 J.The frequency that corresponds to this energy is
Denisovan Genes
Genetic material derived from an extinct species of human, Denisovans, showing interbreeding effects in modern humans, especially in Asia.
Neanderthal Genes
Genetic sequences inherited from Neanderthals, present in the DNA of modern humans outside Africa.
Genetic Markers
Genetic markers are sequences of DNA that can be used to identify individuals or species, and are often employed in genetic mapping, forensic analysis, and study of genetic predispositions to diseases.
Australopiths
Refers to a group of extinct hominins closely related to humans, known for their bipedal locomotion and significant role in human evolution.
Q5: The majority of main-sequence stars are<br>A)blue.<br>B)white.<br>C)yellow.<br>D)red.
Q5: Heat transfer by conduction occurs<br>A)only in liquids.<br>B)only
Q9: Nearly all the helium in the universe
Q20: If the moon were smaller than it
Q22: The orbital of an electron in an
Q24: Reverse osmosis<br>A)is used to replenish the oxygen
Q26: The dinosaurs<br>A)were reptiles.<br>B)were giant mammals.<br>C)disappeared gradually over
Q29: Relative to the average depth of the
Q36: An electric iron draws a current of
Q45: As a sample of a radioactive nuclide