Which of the Following Statements About Prokaryotic Genomes Is FALSE

question 32

Multiple Choice

Which of the following statements about prokaryotic genomes is FALSE?

• A)Most consist of a single circular chromosome.
• B)Approximately 90% of the identified genes have been assigned a function.
• C)About 25% of the genes have no significant similarity to other known genes in bacteria.
• D)Horizontal gene exchange periodically occurs.
• E)Gene transfers have occurred between bacteria and eukaryotes.

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Definitions:

Axon Terminal

The end part of an axon that makes synaptic connections with another nerve cell or with an effector cell.

Dendrites

Branch-like extensions of neurons that receive signals from other neurons and conduct them toward the cell body.

Synapse

The point of contact between two neurons through which electrical or chemical signals are relayed from one neuron to the other.

Synaptic Space

The small gap at the junction between neurons, through which neurotransmitters are released to facilitate neuronal communication.