Scenario If You Were Asked to Study the Pattern of Bacterial

question 9

Multiple Choice

Scenario
If you were asked to study the pattern of bacterial growth (increase in numbers over time) during an infection, you would find that numbers of bacteria increase exponentially up to a certain point. Assume that you have been asked to interpret the growth of bacteriophages. You infect the host bacteria and measure the increase of phages over a defined period of time. You plot the results and observe the graph shown here.
-The first thing you notice is that there is no immediate increase in viruses following infection. This is because ________.

• A)it takes the virus time to adapt to the host
• B)although the virus has infected the host, it takes time to complete the lytic cycle
• C)the host is immune to the virus
• D)the virus is in a lysogenic cycle throughout the experiment

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Definitions:

Dorsiflexion

The action of raising the foot upwards towards the shin, decreasing the angle between the foot and shin.

Protraction

The movement of a body part forward, away from the midline of the body.

Tubercle

A small rounded projection or nodule, often part of a bone or organ, or referring to a lesion seen in tuberculosis.

Diaphysis

The central, tubular shaft of a long bone where the bone's main portion of strength and structure is located.