Besides the Nucleoid, Two Other Kinds of DNA Molecules That

question 50

Multiple Choice

Besides the nucleoid, two other kinds of DNA molecules that may be present in the cytoplasm of a bacterial cell are ________ and the genomes of ________.

• A) bacteriophages; pseudogenes
• B) introns; bacteriophages
• C) plasmids; bacteriophages
• D) plasmids; introns
• E) introns; exons

---

Definitions:

Dendrite

The branch-like extensions of a neuron that receive signals from other neurons.

Motor Neurons

Nerve cells forming part of a pathway along which impulses pass from the brain or spinal cord to a muscle or gland.

Absolute Refractory Period

A time interval after an action potential during which another action potential cannot be initiated, regardless of the strength of the stimulus.

Millivolts

A unit of electric potential equal to one thousandth of a volt, commonly used in measuring the strength of electrical signals.