A Bacterium That You Isolated from Pond Water Appears to Use

question 24

Multiple Choice

A bacterium that you isolated from pond water appears to use light for energy.Based upon this information, you inoculate the organism into fresh media, infused with lots of carbon dioxide.Even after incubation at the correct temperature (of pond water) , the organism is not growing.Your best explanation of what might have happened is

• A)there was no sulfur compound added to the medium, that could be used as an electron donor.
• B)no oxygen was added to the medium so the organism died.
• C)there is some inhibitory chemical that is preventing the growth of the bacterium.
• D)you were using the wrong type of sunlight as the energy source for the bacterium.

---

Definitions:

Fastest-Growing Group

A demographic or segment of the population that is increasing in size at a rate that outpaces others.

Chavajay and Rogoff

Researchers who studied cultural variations in learning styles, particularly focusing on how children in different societies develop skills through observation and participation in community activities.

School-Like Teaching Styles

Teaching methodologies that mimic those used in formal classroom settings, emphasizing structured lessons, teacher-led instruction, and assessment.

Mayan Mothers

Refers to mothers from the Mayan cultural group, potentially in relation to their parenting styles, cultural practices, or social roles.