Which of the following statements about eukaryotes is correct?   - Eukaryotes are life forms that possess a nucleus in the cells.   - Some cellular features, such as endoplasmic reticulum, is uniquely eukaryotic and is not shared with either bacteria or archaea.   - It has been hypothesized that the first eukaryotic cell is a chimera between a bacterium and an archaeon.   - During phylogenetic reconstruction, it is often found that eukaryotic genes that are responsible for information processing are more closely related to corresponding archaeal genes than to bacterial genes.   - All of the above

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What characteristic distinguishes nucleic acids from proteins making them better candidates to have been the hereditary molecule in the first protocells?     A single molecule contains the information needed to make a duplicate copy.     They are complex enough to carry instructions to build a cell.     They have catalytic activity.     They can compartmentalize.     Their monomers form abiotically.

In lecture, we discussed the endosymbiont theory that describes the evolutionary origins of mitochondria and chloroplast. A few scientists think that peroxisomes also have an endosymbiotic evolutionary origin, although most scientists disagree with this hypothesis. Which of the following hypothetical discoveries would provide support for the hypothesis that peroxisomes evolved from bacteria? Discovering that eukaryotic cells cannot live without peroxisomes. All of these hypothetical discoveries would provide support for the hypothesis that peroxisomes have an endosymbiotic evolutionary origin. Identifying the presence of DNA within peroxisomes. Determining that the majority of proteins in peroxisomes have eukaryotic origin.

The Ftsz protein is produced by certain eukaryotic organelles, such as chloroplasts and mitochondria, and localizes to sites where these organelles divide. How is this finding consistent with current theories of the origin of eukaryotes? Select all that apply. • View Available Hint(s) It suggests that FtsZ has different functions in prokaryotic versus eukaryotic cells. That bacteria, mitochondria, and chloroplasts have ribosomes is consistent with the endosymbiosis hypothesis. It suggests that FtsZ evolved independently as eukaryotic and prokaryotic cells diverged. That bacteria, mitochondria, and chloroplasts have the same cytoskeletal proteins is consistent with the endosymbiosis hypothesis. That bacteria, mitochondria, and chloroplasts have the same small circular chromosome is consistent with the endosymbiosis hypothesis. Submit