A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

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#Question id: 125

#Section 2: General Biology

Regions on cell membranes called lipid rafts form because

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#Question id: 126

#Section 2: General Biology

Which statement is false about lipid rafts?

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#Question id: 127

#Section 2: General Biology

Which two organelles are responsible for producing phospholipids and sphingolipids?

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#Question id: 128

#Section 2: General Biology

Amino acids with non-ionizable side chains are zwitterions when they are ________.

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#Question id: 129

#Section 2: General Biology

Glycine is not a stereoisomer because

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#Question id: 130

#Section 2: General Biology

An amino acid with two chiral carbon atoms