In eukaryotes, most of the cells' DNA is found in the form of chromosomes in the nucleus. Which organelles contain their own genomes (descended from ancient endosymbiotic bacteria)?
What will be an ideal response?
mitochondria and chloroplasts
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Which molecule degrades cyclical AMP into AMP?
a. erythropoietin b. adenylate cyclase c. phosphodiesterase d. isomalathion
Plants that have undergone a gradual cooling period and are able to resist cold environmental temperatures are referred to as ________
Fill in the blank(s) with correct word
What are steroids?
What will be an ideal response?
As cities along the western coast of North America grew, people began building houses in the chaparral regions
Many homeowners have chosen to landscape with drought-resistant native plants in an effort of conserve water, a valuable resource in this dry biome. Nevertheless, the dry chaparral summer remains susceptible to fires. Nearly every year, fires sweep through the area, destroying homes, displacing people, and costing millions of dollars. What is the best solution to this problem? A) Immediately extinguish all fires in this area. B) Plant tall-growing trees to increase shade. C) Stop building homes in fire-prone areas. D) Plant species from damp areas to increase the moisture content in the area. E) Evacuate people during the fire season.