Which of the following is FALSE of bacterial DNA?

a) Most bacterial genomes consist of a single circular DNA molecule.
b) Bacterial DNA is not attached to ANY proteins that help to compact it.
c) Bacterial DNA is confined to a region in the cell called the nucleoid.
d) Many bacteria contain additional DNA in the form of small circular molecules called plasmids.
e) Bacterial DNA is double stranded just like eukaryotic DNA. .


Ans: b) Bacterial DNA is not attached to ANY proteins that help to compact it.

Biology & Microbiology

You might also like to view...

A cell that cannot form spindle fibers cannot ____

a. engage in energy production b. exchange gases across the plasma membrane c. perform mitosis nor meiosis d. perform DNA replication e. engage in protein synthesis

Biology & Microbiology

Arrange the steps of an allergic reaction in the proper order

1) allergic symptoms appear 2) allergin binds with IgE 3) IgE combines with mast cell receptors 4) mast cell releases histamine 5) plasma cells sensitized a. 5 ? 3 ? 2 ? 4 ? 1 b. 1 ? 5 ? 2 ? 4 ? 3 c. 5 ? 2 ? 4 ? 3 ? 1 d. 1 ? 4 ? 5 ? 2 ? 3 e. 4 ? 5 ? 2 ? 3 ? 1

Biology & Microbiology

Which is an evolutionary trend in the development of nervous systems for bilaterally symmetrical animals?

a. Loss of cephalization b. Decreased number of interneurons c. Greater resting membrane potential d. Increased presence of ganglia e. Increased size of neuronal cell bodies

Biology & Microbiology

Protecting the endangered black-footed ferret from extinction involved

A) captive breeding and reintroduction. B) collecting individuals from multiple small populations and combining them into a single large population. C) vaccinating the remaining population against sylvatic plague. D) providing food during harsh winters.

Biology & Microbiology