With the following crosses of pea plants, give the flower color of offspring and the ratio expected (red is dominant).
a cross of red x red (both homozygous) would result in

The body is protected against harmful flu viruses by

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.