_____A________the enzyme that catalyzes the conversion of AdoMet to ACC, while ___B_____ catalyzes the conversion of ACC to ethylene

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#Question id: 452

#Unit 1. Molecules and their Interaction Relevant to Biology

E'° of the NAD+/NADH half reaction is –0.32 V.  The E'° of the oxaloacetate/malate half reaction is –0.175 V.  When the concentrations of NAD+, NADH, oxaloacetate, and malate are all 10–5 M, the “spontaneous” reaction is:

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#Question id: 2813

#Unit 2. Cellular Organization

DNA fingerprinting is a technique based on differences in the

a. length of introns.   

 b. number of tandem copies of a simple sequence repeat.

c. number of tandem ribosomal RNA genes.

d. size of protein coding genes.

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#Question id: 32258

#Unit 2. Cellular Organization

Which of the following organelles produces most of the lipid and sterols for the rest of the cell?

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#Question id: 19102

#Unit 4. Cell Communication and Cell Signaling

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue. They are mainly spread by these insects except;

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#Question id: 23983

#Unit 8. Inheritance Biology

A large chromosomal aberrations can be detected by staining in the chromosomal banding pattern that have been stained with banding agent such as quinacrine or Giemsa, which statement correct predict that the chromosome undergo for duplication?