Different cells in our body carry out different functions even though all the cells in our body contain the entire dna code. why do only certain cells produce specific proteins? a. because gene expression is a regulated process b. because the dna is arranged differently in different cells c. all cells produce the same proteins d. because the dna is not the same in all cells

In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power