___?____ is a way to store and mobilize energy during transcription initiation, and its release upon escape is what enables polymerase to break free of the promoter and dislodge s factor from the core.

TLS Online TPP Program

#Question id: 11808

#Unit 6. System Physiology – Plant

In addition to the free bases, which are the only active forms, active cytokinin levels are decreased through;

a) Addition of sugar molecule to the 3, 7, or 9 nitrogen of the purine ring, called glycosylation-mediated inactivation

b) cis-trans isomerisation of zeatin

c) Irreversible cleavage by cytokinin oxidases.

Which of the following is incorrect?

TLS Online TPP Program

#Question id: 28275

#Unit 5. Developmental Biology

 what will happened when sulfated polysaccharide binds to its receptor on the sperm____ 

a) activates CatSper calcium channel

b) activates sperm membrane calcium transport channel

c) activates sperm membrane sodium-hydrogen exchanger

d) activates sperm membrane phospholipase enzyme

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#Question id: 19283

#Unit 9. Diversity of Life Forms

Which of the following most closely represents the male gametophyte of seed-bearing plants? 

TLS Online TPP Program

#Question id: 31251

#Unit 5. Developmental Biology

The regrowth of hair shafts from follicular stem cells in the hair bulge is an example of:

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#Question id: 2284

#Unit 2. Cellular Organization

Because they have chloroplasts for energy production, plant cells