Which of the following enzymes is very important in determining the partitioning of glyceraldehyle-3-phosphate/dihydroxy acetone phosphate between...

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Biology

Which of the following enzymes is very important in determiningthe partitioning of glyceraldehyle-3-phosphate/dihydroxy acetonephosphate between starch synthesis and sucrose synthesis
Aquaporins
G3P/DHAP efflux channel
RubisCO
Triose-phosphate translocator
ATPases
The accumulation of phosphorylated sugars in the cytoplasmwill
Increase the activity of certain key Calvin Cycle enzymes
Promote export of phosphorylated sugars in the phloem
Promote export of triose-P from the chloroplast
Promote starch synthesis in the chloroplast
Promote starch degradation in the chloroplast
A tomato fruit growing on a vine will receive most of itsnutrients and water from
The xylem
Storage reserves such as seeds and tubers
All regions of the plant more or less equally
Its own photosynthetic capabilities
The mature leaves closest to it
What is true of phloem sieve tubes
They are dead at maturity
They are cytoplasmically dense
They are membrane lined
None of the above
B and C only

Answer & Explanation Solved by verified expert

4.4 Ratings (838 Votes)

Which of the following enzymes is very important in determining the partitioning of glyceraldehyde3phosphatedihydroxyacetone phosphate between starch synthesis and sucrose synthesis Answer Triosephosphate translocator Explanation Starch synthesis takes place inside the chloroplast while sucrose synthesis takes place in the cytosol of green cells both of them need for dihydroxyacetone phosphate a triose phosphate to be transported to the chloroplast or the cytosol depending on what will be synthesized The triose phosphate translocator located in the chloroplasts membrane exports dihydroxyacetone phosphate and therefore is very important in determining the partitioning of glyceraldehyde3phosphatedihydroxyacetone phosphate between starch synthesis and sucrose synthesis See Answer

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