Fifteen bacterial colonies growing on a complete medium (that means that they have all of nutrients that they need supplied in the dish, and they don't actually need to synthesize these compounds to survive) are transferred to minimal medium. Twelve of the colonies grow on minimal medium. Three colonies do not grow on minimal medium. But, if these three colonies are put on a plate that has minimal medium supplemented with the amino acid serine (min + Ser), they all grow. What does this suggest about the three bacterial colonies (pick all that apply)? They lack the ability to synthesize their own serine. They are probably wild-type. O They probably have a mutation that causes them to lack a certain protein. O They probably have a mutation that causes them to be unable to perform translation. O They probably have a mutation that causes them to be unable to perform transcription. They are able to synthesize everything that they need to grow except for serine.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Fifteen bacterial colonies growing on a complete medium (that means that they have all of nutrients
that they need supplied in the dish, and they don't actually need to synthesize these compounds to
survive) are transferred to minimal medium. Twelve of the colonies grow on minimal medium. Three
colonies do not grow on minimal medium. But, if these three colonies are put on a plate that has
minimal medium supplemented with the amino acid serine (min + Ser), they all
What does this suggest about the three bacterial colonies (pick all that apply)?
grow.
They lack the ability to synthesize their own serine.
O They are probably wild-type.
They probably have a mutation that causes them to lack a certain protein.
They probably have a mutation that causes them to be unable to perform translation.
O They probably have a mutation that causes them to be unable to perform transcription.
O They are able to synthesize everything that they need to grow except for serine.
Transcribed Image Text:Fifteen bacterial colonies growing on a complete medium (that means that they have all of nutrients that they need supplied in the dish, and they don't actually need to synthesize these compounds to survive) are transferred to minimal medium. Twelve of the colonies grow on minimal medium. Three colonies do not grow on minimal medium. But, if these three colonies are put on a plate that has minimal medium supplemented with the amino acid serine (min + Ser), they all What does this suggest about the three bacterial colonies (pick all that apply)? grow. They lack the ability to synthesize their own serine. O They are probably wild-type. They probably have a mutation that causes them to lack a certain protein. They probably have a mutation that causes them to be unable to perform translation. O They probably have a mutation that causes them to be unable to perform transcription. O They are able to synthesize everything that they need to grow except for serine.
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