Approximately 4.5 billion years ago
The correct answer is "is found only in Corynebacterium diphteriae cells that have been infected with lysogenic bacteriophage β".
An exotoxin is a bacterial toxin which is secreted by the toxin in its surrounding environment.
The diphtheria exotoxin is a toxin produced and secreted by some pathogenic bacteria of the species <em>Corynebacterium diphtheriae</em>. This exotoxin is only produced by bacteria who have been infected with lysogenic bacteriophage β (a specific type of virus which infects bacteria). The reason for this is that the virus encodes the gene responsible for producing the toxin.
Answer: She can smell the smoke. She can see the smoke. She can turn on the radio and touch it. She can hear the news man that lets her know there is a fire headed her way. She could eat or drink before she escapes the fire.
Hope that helps mate :)
Explanation:
Because they are far from earth look like a small stone on the sky
Because they carry out a lot more functions, due to there being more than one type of cell
