As early as the 1940s, researchers knew that bacteria could be grown in a minimal medium. In this

minimal medium the most common source of organic carbon is:



a. peptidase.
b. glucose.
c. rubisco.
d. catalase.
e. ammonium chloride.


B

Biology & Microbiology

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A heterodimer occurs when two identical transcription factors interact on a sequence of DNA

Indicate whether the statement is true or false

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A brother and sister share ________ percent of their genes.

A) 10 B) 25 C) 50 D) 100

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Which immunoglobulin is able to pass across the

placenta to protect the fetus from pathogens? a. IgG b. IgA c. IgD d. IgM e. IgE

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Which is false about insomnia?

-it is the complain or poor sleep quality with daytime functional impairment or distress for at least 1 month -to meet criteria for sleep onset insomnia a patient must have a sleep latency of greater than 30 minutes -Patients with sleep maintenance insomnia have difficulty staying asleep -Patients with sleep maintenance insomnia have difficulty staying asleep with frequent and extended awakenings totaling 15 minutes in time

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