Multiple Choice
Which of the following viruses uses the cellular machinery of a bacterium for its own replication?
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Intro to Organic Chemistry
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In citrate agar, which compound serves as the carbon source?
A
Glucose
B
Lactose
C
Sucrose
D
Citrate
Verified step by step guidance1
Understand the context: Citrate agar is a type of growth medium used in microbiology to test an organism's ability to use citrate as a sole carbon source.
Identify the compounds listed: Glucose, Lactose, Sucrose, and Citrate. These are all organic compounds that can potentially serve as carbon sources.
Recall the purpose of citrate agar: It is specifically designed to test for the utilization of citrate, which means citrate is the intended carbon source in this medium.
Consider the chemical structure: Citrate is a tricarboxylic acid, which is part of the citric acid cycle, a key metabolic pathway that provides energy in aerobic organisms.
Conclude based on the information: Since citrate agar is used to test for the ability to utilize citrate, citrate is the compound that serves as the carbon source in this medium.
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