What term describes a geometric decrease in cells? 1. Death 2. Log 3. Lag 4. Sta

Question

What term describes a geometric decrease in cells? 1. Death 2. Log 3. Lag 4. Stationary
What term describes cells adjusting the new medium? 1. Death 2. Log 3. Lag 4. Stationary What term describes an organism that can grow without oxygen? What term describes a geometric decrease in cells? 1. Death 2. Log 3. Lag 4. Stationary
What term describes cells adjusting the new medium? 1. Death 2. Log 3. Lag 4. Stationary What term describes an organism that can grow without oxygen? 1. Death 2. Log 3. Lag 4. Stationary
What term describes cells adjusting the new medium? 1. Death 2. Log 3. Lag 4. Stationary What term describes an organism that can grow without oxygen?

Explanation / Answer

Answer

A). 1. Death

Explanation.

Death Phase. If incubation continues after the population reaches stationary phase, a death phase follows, in which the viable cell population declines. During the death phase, the number of viable cells decreases geometrically (exponentially), essentially the reverse of growth during the log phase.

B). 3. Lag

Explanation.

The typical bacterial growth curve. When bacteria are grown in a closed system (also called a batch culture), like a test tube, the population of cells almost always exhibits these growth dynamics: cells initially adjust to the new medium (lag phase) until they can start dividing regularly by the process of binary fission (exponential phase).

C). Anaerobic organisms

Explanation.

Anaerobic organisms grow without oxygen whereas aerobic organisms grow in the presence of oxygen

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