Which statement is least likely to support the endosymbiotic theory? mitochondria and chloroplasts reproduce independently from the cell. mitochondria and chloroplasts contain their own ribosomes. mitochondria and chloroplasts have dna that resembles bacterial dna. mitochondria and chloroplasts are much larger than prokaryotic cells.

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?

Using meiosis, the sporophyte produces spores that are .

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.