A Gram- negative bacteria has a thin cell wall of Peptidoglycan which is sandwiched between the cell membrane and outer membrane. Where as, the Gram positive bacteria has a thick layer of Peptidoglycan outside their cell membrane.
Hence Gram- negative bacteria is different from a Gram- negative bacteria in because it has an extra layer that is outside the Peptidoglycan layer.
Hence the right option is D
This feature of the Gram-negative bacteria does not let crystal violet solution to soak into its Peptidoglycan layer because it is covered by the extra layer where as an Gram- positive bacteria will easy soak into crystal violet solution due to the exposed Peptidoglycan layer.
Lavender is a purple colored flower which is often used in making soaps and potpourri.
Potpourri is a mixture of dried flowers which looks very beautiful and gives pleasant aroma to the air.
Lavender flowers have become recently very popular.
Spices for soaps and potpourri are prepared after drying the flower. it is used in many things like lotions and other body care products.
A pedigree<span> is a diagram showing genetic relationships between members of a family. It is used to analyze patterns of inheritance for specific genetic traits.
i'm not sure how to help you with the other part of the question</span>
I think it’s because they can reproduce quickly