7. Which of the following best describes crossing over? A. Homologous chromosomes are lined up and pulled apart to opposite poles
B. Segments of chromatin are recoiled in the form of chromosomes
C. Chromosomes overlap and sections of each chromosome switch places
D. Sister chromatids trade places with each other before metaphase begins

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.