You've Just Isolated a New Bacterium in Pure Culture, and You

question 76

Multiple Choice

You've just isolated a new bacterium in pure culture, and you culture it on a general purpose medium where its cells have a rod-shape (bacillus) morphology.In addition to culturing it on solid media, you inoculate a slide to grow it as a biofilm.When you use confocal microscopy to image the biofilm, you observe that there are several cellular morphologies, ranging from coccus to coccobacillus to long bacillus.The best explanation for this observation is that

• A)the confocal microscope is out of adjustment.
• B)the biofilm is no longer a pure culture of the microbe.
• C)the biofilm culture was not incubated under the appropriate conditions.
• D)the microenvironments within a biofilm promote structural variation.

Identify the types of plant cells based on their structure, function, and contribution to plant growth.

Describe secondary growth in plants and its impact on plant structure and function.

Understand the principles and mechanisms of evolution and domestication.

Identify the origins and modifications of domesticated plant species through human intervention.

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Definitions:

Wilhelm Wundt

A German psychologist who is generally acknowledged as the founder of experimental psychology.

Consciousness

The quality or state of being aware of an external object or something within oneself, including thoughts, feelings, and the surrounding environment.

Conscious Experience

The awareness of internal and external events or stimuli, including thoughts, feelings, and sensations.

Historical Schools

Intellectual groups or movements in history that have had a significant impact on teaching and learning in their time and have contributed to the evolution of educational thought and practice.