1. A cell that has half the number of chromosomes in a normal body cell is a a. Diploid
b. Haploid
C. A genetic disorder
d. Dying

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

¿cómo demostraron los experimentos de griffith que un factor hereditario estaba involucrado en la transformación bacteriana?

True or false: the breakup of pangea resulted in warm wet global climates?