Identify whether the statement is true or false, and why. “each type of receptor protein is specific to a certain signal or type of signal.” a. true b. false, it should read “receptor proteins can receive signals from many types of signal molecules.” c. false, it should read “receptor proteins are only used in synapses to receive neurotransmitters.” d. false, it should read “receptor proteins are universal and can receive signals from any type of signal molecules.”

Abanana plant produces rhizomes, which are involved in

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism