Answer:
The culture might not be stained properly or the culture might be too old.
Explanation:
Gram staining is done to differentiate between gram-positive and gram-negative bacteria according to the difference in their cell wall. In gram staining, the gram-positive bacteria appears violet and gram-negative bacteria appear pink in color.
Therefore if a pure culture contains have both red and purple cocci that it can be concluded that the gram stating was not done properly like too much destaining was done or too much safranin was used or maybe the culture is too old so that cell wall of some bacteria degrades.
Answer:
your answer is D) A section of DNA that codes for a specific trait
Explanation:
Answer:
Observing & Hypothesizing
Explanation:
The knowledge obtained when scientists answer one question often generates other questions or proves useful in solving other questions. Scientists gather information and answer questions collectively known as the scientific method.
The answer is apex and base. To simplify, the apex of the heart rests on the diaphragm and from its base, the great vessels emerge. In addition, blood vessels that are nearer to the pumping heart and must enlarge to endure pressure variations are named elastic arteries and foramen ovale permits blood to pass from the right to the left atrium, therefore avoiding to pass the fetal lungs.
Answer:A blood: 25% B blood: 25% AB blood: 50% O blood: 0%
Explanation:
