Most proteins in present-day mitochondria are made by cytoplasmic ribosomes from mrna transcribed from nuclear genes. can this fact be reconciled with the hypothesis described in the passage?
a. yes; the transfer of genes from symbionts to the eukaryotic nucleus could have occurred during the last billion years of evolution.
b. yes; this difference from bacteria is unimportant, because the many similarities between bacteria and mitochondria provide sufficient evidence in favor of the hypothesis.
c. no; the fact that mitochondrial proteins are made in the cytoplasm is convincing evidence that mitochondria do not have a bacterial origin.
d. no; because bacteria can make all their own proteins and mitochondria cannot, this disproves the hypothesis.