The answer is C) All contain carbon.
The definition of an organic compound in chemistry is literally a compound that contains any number of carbon atoms. So, all organic compounds contain carbon.
Answer: The action cytoskeleton structure is dynamic.
Explanation: Actin cytoskeleton is a dynamic structure necessary for cell and tissue organization, including the maintenance of epithelial barriers. The epithelial barriers are necessary to maintain barriers, the disruption of the epithelial barrier coincides with alterations of the actin cytoskeleton in several disease states. Primarily these disruptions affect the paracellular space, that is normally regulated by tight junctions. The actin cytoskeleton is a usual target of bacterial virulence factors. Bacteria secrete and inject toxins and effectors to hijack the host cell machinery, in order to manipulate the action cytoskeleton, which interferes with host-cell pathways and with a number of actin binding proteins.
I believe it should be A. The presence of a nucleus. Because for response B, it's not true as prokaryotes and eukaryotes possess cell membranes. It can't be C as their ability to interact with the environment is not as different. This is also true of ability to reproduce.
Rickets develops in growing children who are not exposed to sunlight and have a deficiency of vitamin D, phosphorus or calcium. The disease leads to symptoms such as softening/weakening of the bones, muscle weakness and delayed formation of teeth. The disease is most often observed in young children that are aged between 6 to 24 months of age.
Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the "universal solvent" because it dissolves more substances than any other liquid. This is important to every living thing on earth.
I hope that’s help:)
