AP BIOLOGY

CELL RESPIRATION

GLYCOLYSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Fructose 1, 6 bis phosphate forms
A
3 phospho glceraldehyde
B
Di hydroxy acetone 3 phosphate
C
Phospho enol pyuruvic acid
D
A and B
Explanation: 

Detailed explanation-1: -2.13; aldolase A; FBP aldolase; FBPA) is 1 of 10 enzymes that comprise the glycolytic (Embden–Meyerhof–Parnas) pathway. It is one of three tissue-specific isozymes (A, B, C) found in mammals.

Detailed explanation-2: -Alpha-D-fructofuranose 1, 6-bisphosphate is a D-fructofuranose 1, 6-bisphosphate with an alpha-configuration at the anomeric position. It is functionally related to an alpha-D-fructofuranose. It is a conjugate acid of an alpha-D-fructofuranose 1, 6-bisphosphate(4-).

Detailed explanation-3: -While ATP is required to phosphorylate fructose 6-phosphate in glycolysis, none is produced by the dephosphorylation in gluconeogenesis. The enzyme also serves as a key regulatory point, being inhibited by AMP and fructose 2, 6-bisphosphate [3, 4].

Detailed explanation-4: -Fructose-1, 6-bisphosphatase (FBPase), a key enzyme of gluconeogenesis and photosynthetic CO2 fixation, catalyzes the hydrolysis of fructose 1, 6-bisphosphate (FBP) to produce fructose 6-phosphate, an important precursor in various biosynthetic pathways.

Detailed explanation-5: -Fructose-1, 6-bisphosphatase (FBPase) catalyzes the hydrolysis of fructose 1, 6-bisphosphate to fructose 6-phosphate and is a key enzyme of gluconeogenesis and glyconeogenesis and, more generally, of the control of energy metabolism and glucose homeostasis.

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