Karyotypes are done by matching up so that they are paired up. question 11 options:

sister chromosomes

sister chromatids

homologous chromosomes

homologous chromatids

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm