Answer:
A few of the positive particles aimed at a gold foil.
Volcanoes change the Earth by slowly seeping and flowing over time.
Answer:
Loss of cell wall integrity or
Explanation:
Grams staining i a staining method used to classify bacteria into two main classes. Gram positive and Gram negative.
They are differentiated according to the ability of their cell wall to retain the primary stain color of the crystal violet stain or the counter stain pink.
Bacillus subtilis is a Gram positive bacteria hence it is supposed to stain purple.
Therefore, when it stained pink is an error. it shows loss of the cell wall integrity due to old age, overdecolorization or over fixing with heat.
Answer:
Buffalo soldiers were African American soldiers who mainly served on the Western frontier following the American Civil War. In 1866, six all-Black cavalry and infantry regiments were created after Congress passed the Army Organization Act.
Explanation:
To prevent cells from either shrinking or swelling you should keep them in an isotonic solution. Isotonic solution is a solution with equal amount of solute and solvent. Therefore, when cells are placed in such a solution they will not lose or gain water, as opposed to hypertonic (more solute than solvent) and hypotonic (more solvent than solute) solutions.
