Each of the following is a type of protein in the checkpoint pathway EXCEPT: a. sensors, sense the cellular defect and ensure the correct response is activated b. effectors, carry out thecheckpoint pathway response c. terminators, stop the pathway response if the cell division is not affected by the cellular defect d. transducers, launch the checkpoint pathway response

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

How many pounds does the earth weigh?