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TLS Online TPP Program
#Question id: 24641
#Unit 10. Ecological Principles
Soil that are said to be humus poor ____A____ and those soil that are said to be humus rich ___ B______.
TLS Online TPP Program
#Question id: 3889
#Unit 3. Fundamental Processes
The operator region normally can be bound by:
TLS Online TPP Program
#Question id: 3877
#Unit 3. Fundamental Processes
Differential RNA processing may result in:
TLS Online TPP Program
#Question id: 12409
#Unit 6. System Physiology – Plant
The Chemical Structure of ABA Determines Its Physiological Activity, 15 carbon compound
a) The orientation of the carboxyl group at carbon 2 determines the cis and trans isomers of ABA. Nearly all the naturally occurring ABA is in the cis form
b) S enantiomer is the natural form; commercially available synthetic ABA is a mixture of approximately equal amounts of the S and R forms.
c) The S enantiomer is the only one that is active in fast responses to ABA, such as stomatal closure
d) In long-term responses, such as seed maturation, only R-enantiomers are active
e) In contrast to the cis and trans isomers, the S and R forms cannot be interconverted in the plant tissue
Which of the following is the correct prediction about the active form of ABA?
TLS Online TPP Program
#Question id: 16313
#Unit 7. System Physiology – Animal
Stress in small amounts: