Which of the following are paired dna bases? a=u ; g=c a=t ; g=u a=t ; g = c a=g ; u=c

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype