Lactobacillus<span> is a genus of Gram-positive, facultative anaerobic or microaerophilic, rod-shaped, non-sporeforming bacteria. They are a major part of the lactic acid bacteria group (example: they convert sugars to lactic acid).</span>
In each cell, through a process of gene expression, DNA is transcripted into mRNA which are templates used to create different proteins resulting in different functions in your body.
Answer:
a human and a fish also bacterium
Explanation: