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.
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Answer:</h2>
The statement that best describes cancer cells is,
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<h3> they are not regulated by contact inhibition".</h3>
Cancer is a fatal disease which includes the uncontrollable increase of cancer cells.
These cancerous cells reproduce at abnormal rates.
There are various kinds of cancer like breast cancer, ovarian cancer, skin cancer and so on.
Answer:
The blending theory of inheritance by Mendel
Explanation:
Do you meant the circled cell?
Answer:
If animals stop reproduction, there will less variety, fewer food options and they will eat each other. There will be no meat for humans and eventually life will extinct from this planet.
Explanation:
