What forms the rungs of the ladder of DNA?

The presence of which organelle indicates that eukaryotic cells have evolved from prokaryotic cells?

Spindle fibers move homologous chromosomes to opposite sides during what phase

An experiment began with 6 cells and ended with 384 cells. How many generations did the cells go through? a. 64 b. 32 c. 6 d. 5

Which of the following can cause a communicable disease?: a. heredity b. something in the environment c. a virus d. lifestyleb. environment and c. virus?

What was the Renaissance? • O A. "Rebirth" of thinking • OB. Revival of the Roman Catholic Church • C. Schism that took place • O D. Expansion of the faith of Islam

Missy spencer was given penicillin for tonsillitis. she developed a severe life-threatening allergic (hypersensitivity) reaction to the penicillin. her medical file records this reaction as a (n) :

What situation most likely explains the occasional high frequency of certain inherited disorders among human populations established by a small population?

Which of these tissues stores minerals? bone, muscle, nerve, or blood

What is the similarities between fault and fracture?

Role of oxygen in active transport