The top 20 highest-paid biopharma CEOs 1. Len Schleifer, Regeneron $41.97 million. Schleifer may have popped up on our CEO pay list just a few years ago--and stayed at or near the top--but he's been plugging away at Regeneron since he founded the company in 1988.
Most bacterial species contain a single type of chromosome, but it may be present in multiple copies. Several thousand different genes are interspersed throughout the chromosome; structural gene sequences (encoding proteins) account for the majority of bacterial DNA; nontranscribed DNA sequences between adjacent genes are termed intergenic regions.
The following are the properties of a bacterial chromosome. 1  Location: Within nucleoid region , not surrounded by nuclear envelope. 2  Number: 1 chromosome each cell. 3  Size: E.coli 4640 kbp. 4  Component: Single, double stranded, circular DNA. 5  Information: Contain genes essential for cellular functions.