3H thymidine uptake assays were the first to be used routinely to measure cell division in lymphocyte cultures.

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#Id: 8776

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Id: 4579

#Unit 6. System Physiology – Plant

Effects of red light (650–680 nm) on morphogenesis could be reversed by a subsequent irradiation with light of longer wavelengths (710–740 nm), called far-red light. This phenomenon was first demonstrated in germinating seeds.

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#Id: 4814

#Unit 13. Methods in Biology

The probability distribution of a statistic, from a particular population, over many random samples is the sampling distribution.

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#Id: 3702

#Unit 2. Cellular Organization

The proportion of DNA containing protein-coding genes being expressed in a specific cell at a specific time can be determined by the amount of the DNA that can hybridize with the mRNAs isolated from that cell called as RoT analysis

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#Id: 556

#Unit 2. Cellular Organization

lacZ = b-galactosidase

lacY = galactoside permease

lacA = galactoside transacetylase

All 3 genes are transcribed together producing 1 mRNA, a polycistronic message