Day 56, pp. 340 --340

 Bacterial chromosome (1)

Plasmid replication (3)

microorganism comparison (2)

binary fission (2)

prokaryotic cell division (3)

Quiz, pp. 340 -- 340

1.  What shape is bacterial DNA

2.  Bacteria have about ____ times as much DNA as a virus;  eukaryotic cells have about ________ times more DNA than a bacterium.

3.  Do bacteria have a membrane-bound nucleus?  Why not?

4.  What are the little bits of DNA in bacteria off by themselves called?

5.  When reproducing, bacteria replicate their DNA and then reproduce through b________ f_________.

6.  If e. coli can reproduce so that a single cell results in 10^8 bacteria overnight, how many bacteria is that?

7.  Is binary fission sexual or asexual reproduction?  What does that mean, and what are the consequences for genetic variation?