What is the difference between bacterial reproduction and viral reproduction

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.