BIOL 235 Lab Exam Questions With 100% Correct Answers

BIOL 235 Lab Exam Questions With 100% Correct Answers Which setting is best to view bacteria in a light microscope? - answerDarkfield Why do bacteria move? - answer- To move towards attractive environments - Move away from harmful environments - To seek other bacteria and create colonies Which bacteria is corkscrew shaped? (long and squiggly) - answerSpirochete Which bacteria is comma shaped? - answerVibrio Which bacteria has two round spheres? - answerDiplococci Which bacteria is rod shaped? - answerBacillus Which is neither a eukaryotic cell nor a prokaryotic cell? - answerVirus What is function of the cell wall? - answerTo provide structure and protect the bacteria from osmotic pressure Which explains the function of the plasma membrane? - answerIt controls which substances enter and exit the cell How do the inclusion bodies assist the bacteria in survival? - answerThey hold nutrients necessary for the bacteria to survive What is the plasmid's role in survival in extreme conditions? - answerThey can encode for proteins that provide additional benefits for the bacteria to survive the local environment How is the nucleoid involved in helping the vibrio bacteria survive the harsh environment? - answerThe nucleoid encodes essential genes and for some bacteria these are genes essential for surviving extreme cold How does the ribosome ensure that the vibrio can survive in the extreme environment? - answerThe cell wall would not exist without as the ribosomes translate the genetic code into protein The cell wall protects the bacteria. How does it protect the Vibrio in Antarctica? - answerTo withstand the osmotic pressure from the aquatic environment