If a protein weighs around26 kDa. How many amino acid residues
does it have

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land