Which of the following classifications contains agents that interfere with blood coagulation?

Which of the following is a side effect of niacin?

23.  You did a gram stain on a pure culture of E.coli.  When you look at the cells, half of the cells are purple and half are pink.  Assuming that your pure culture was pure, give 2 reasons  for this result.

3. This is MacConkey agar plate divided into 2 sections.  Section A is streaked with             Organism A and section B with organism B. Describe the reactions in sections              A and  B and give a reason for the reactions (3pts).                         A——————————————————————————————–             B——————————————————————————————–   B.        What type of media is MacConkey Agar? (1pt).               —————————————————————————————————

22.  These are 2 stained slides, what type of staining is this? (1 pt). Identify (ID) what the arrows are pointing to. (1pt). Slides A and B are the same organism, explain why your ID above is different in the 2 slides. (2 pts.)  SLIDE A SLIDE B

26. Looking at this plate, describe 4 basic categories of colony morphology.(2 pts).

13.  Which of the following broth culture growth is WRONGLY matched?

12.  Name 2 environmental factors that can influence the growth pattern of microorganisms. 

16. Name and DESCRIBE 2 types of Flagella

19. A.  What type of staining is this (1pt)?       B.  There is a white area surrounding the pink vegetative cell.                  What is the name of this white area. (1pt)?        C.  How is it formed (3 pts)?