A cell needs nutrients for its survival. Complex nutrient molecules, such as sugars and proteins, are taken into the cell and broken down into simple, usable molecules by cellular enzymes. These simple molecules provide the required energy to the cell for its survival. Which organelles are most responsible for taking in and breaking down the nutrients for the cell?

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Environmental differences within ecosystems are generally caused by

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