Gonorrhoea is a bacterial disease. A new vaccine is being developed against gonorrhoea. Describe how a vaccine would work to prevent gonorrhoea.[4 marks]

Does solar energy ever run out? brainliest

2.) insulin is needed to your cells take in sugar from your blood. after you eat a candy bar, will your insulin gene be expressed or repressed? 3.) all cells have the same dna, and they all make the same proteins. true or false? the answers are 2.) expressed3.) false

Aglacier retreats, exposing bare rock and allowing communities of organisms to move in. this is an example of