Hyaluronic acid is an important glycosaminoglycan component of connective tissue. Hyaluronate molecules are composed of

A. D-glucuronic acid and N-acetyl-D-glucosamine

B. D-galactose and N-acetyl-D-glucosamine

C. β(1→4) and β(1→3) alternate linkages

D. β(1→4) and β(1→6) alternate linkages

Which of the above 2 combinations are correct

#Question id: 10152

#Unit 6. System Physiology – Plant

Rubisco catalyzes both the carboxylation and the oxygenation of ribulose 1,5-bisphosphate, the oxygenase activity of rubisco causes partial loss of the carbon fixed by the Calvin–Benson cycle, to avoid loss a reaction takes place such as photorespiration, The following statements about photorespiration.

a.) To avoid drain of carbon out of the Calvin–Benson cycle is metabolized through the C2 oxidative photosynthetic carbon cycle

b.) In photorespiration involves chloroplasts, leaf peroxisomes, and mitochondria

c.) During oxygenation process Rubisco fixes oxygen at high temperature

d.) One of the rection of the C2 cycle is Glycine converted into the serine is takes place in peroxisome

Which of following from above combination is CORRECT?

#Question id: 10153

#Unit 6. System Physiology – Plant

Which of the following statements is False?

#Question id: 10154

#Unit 6. System Physiology – Plant

The C2 oxidative photosynthetic carbon cycle on chloroplast metabolism, the functioning of the C2 oxidative photosynthetic cycle in three compartments: chloroplasts, peroxisomes and mitochondria such as;

a.) In the carbon cycle; the transfer two molecules of glycolate and recovers one molecule of glycerate and releases one molecule of CO2

b.) In the nitrogen cycle, one molecule of glutamate and recover one molecule of NH4 +

c.) In the oxygen cycle; contributes to the removal of H2O2 formed in the oxidation of glycolate by O2

i) Takes place in Peroxisome

ii) In Mitochondria

iii) In the Chloroplasts

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

#Question id: 10155

#Unit 6. System Physiology – Plant

Which of the following components carries out oxygen cycle and also produces hydrogen per oxide ?

#Question id: 10156

#Unit 6. System Physiology – Plant

Which of the following statements is False about Rubisco?

#Question id: 10157

#Unit 6. System Physiology – Plant

In Glycolate pathway, Glycine exits the peroxisomes and enters the mitochondria where a multienzyme complex catalyzes the conversion of two molecules of glycine and one molecule of NAD+ into one molecule each of serine, NADH, NH4 +, and CO2; the enzyme complex used in this reaction is