A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as a long-day (short-night) plant. Which of the following has the best chance of creating iris blooms in winter?

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#Question id: 14367

#SCPH05 I Biotechnology

During an enzyme purification, 0.23 g of protein was dissolved in 5 mL buffer. Suppose 0.5 mL of this solution converted 4.7 mmol of substrate in 30 sec. Calculate specific activity as units/mg protein - 

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#Question id: 10189

#SCPH06 I Botany

A very common isotope substitution is when hydrogen is replaced by deuterium. This is known as a deuterium effect and is expressed by the ratio kH/kD (as explained above). Normal KIEs for the deuterium effect

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#Question id: 4344

#SCPH01 Biochemistry

How does the transcription of structural genes in an inducible operon occur?

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#Question id: 8893

#SCPH06 I Botany

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)

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#Question id: 6993

#SCPH06 I Botany

What molecular marker of head identity is found in the apical tip of a Hydra during head regeneration?