Mitochondria and chloroplasts have a number of features in common. which of the following is not one of them? . a: both are surrounded by a double membrane. b: both are important to energy conversion. c: both are found in all eukaryotic cells.

The answer is C. Not all eukaryotic cells have chloroplast though all eukaryotic cells have mitochondria. Chloroplasts are mostly found in photosynthetic eukaryotic organisms such as the Euglena and plants.

Both organelles have an inner and outer membrane are significant in energy conservation. Mitochondria stores energy in ATP molecules while chloroplasts harness energy from sunlight

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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when it is at an intermediate population density