Starting from a Single Individual, What Is the Size of a Population

question 76

Multiple Choice

Starting from a single individual, what is the size of a population of bacteria that reproduce by binary fission every 20 minutes at the end of a 2-hour time period? (Assume unlimited resources and no mortality.)

• A) 6
• B) 18
• C) 128
• D) 512
• E) 1,024

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Definitions:

Vagus

Referring to the vagus nerve, which is the tenth cranial nerve and is involved in the parasympathetic control of the heart, lungs, and digestive tract.

Facial Nerve

The seventh cranial nerve that controls the muscles of facial expression, taste sensations from the front two-thirds of the tongue, and other functions.

Oculomotor Nerve

The third cranial nerve responsible for the control of most of the eye's movements, including the constriction of the pupil and maintaining an open eyelid.

Dorsal Spinal Cord

The portion of the spinal cord that is oriented toward the back of the body, responsible for transmitting sensory information from the body to the brain.