The models represent the stages of the cell cycle in random order.
(bolehi
11
IV
VI
What sequence lists the stages in the order they occur?
O I, II, III, IV, V, VI
O III, VI, I, IV, II, V
O V, III, IV, I, II, VI
O VI, II, I, IV, V, III

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere