Some given  statements about biosynthesis of Abscisic acid ;

a) ABA is synthesized in almost all cells that contain chloroplasts or amyloplasts

b) ABA is a 15-carbon terpenoid, or sesquiterpenoid, which is synthesized in plants by an indirect pathway via 40-carbon carotenoid intermediates

c) Cleavage of the carotenoid by the enzyme NCED (9-cis-epoxycarotenoid dioxygenase) is a rate-limiting

d) Oxidation by ABA-8′-hydroxylases lead to ABA inactivation, ABA can also be inactivated by conjugation, but this is irreversible. Both types of inactivation are also tightly regulated.

Which of the following  combination from the above statements  is correct?

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#Question id: 1110

#Unit 4. Cell Communication and Cell Signaling

If a pharmaceutical company wished to design a drug to maintain low blood sugar levels, one approach might be to design a compound that does which of the following?

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#Question id: 26430

#Unit 3. Fundamental Processes

If the mismatch is near 5’ then which of the following will degrade strands of DNA in the 3’ → 5’ direction

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#Question id: 12247

#Unit 10. Ecological Principles

Which of the following is NOT a hypothesis explaining the advantage of group living? 

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#Question id: 3003

#Unit 2. Cellular Organization

Which statement best characterizes the behavior of a bacterial culture during EXPONENTIAL GROWTH?

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#Question id: 5026

#Unit 11. Evolution and Behavior

Whatever its ultimate cause(s), the Cambrian explosion is a prime example of