Aclassmate describes a bacterium to you as living on the roots of clover and providing nutrients to the plant. would you classify this bacterium as nitrogen-fixing, nitrifying, or denitrifying? explain your answer. * your answer

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.