Your instructor gives you an unknown organ for you to examine and identify through microscopy. What should you do first with the sample? a) cut it into sections
b) examine it for artifacts
c) fix it with preservative
d) stain it to enhance contrast

You need to make 500ml of 7h9(+) media with 1x adn and 30ug/ml of the antibiotic kanamycin. your stock solutions are 10x adn and 30mg/ml of kanamycin. the solvent is distilled water. how much of each component will you need to make the desired final solution?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.