Bacteria can convert atmospheric nitrogen into ammonia, Several form symbiotic associations with higher plants is given below;

               HOST PLANT                                                                          N-FIXING SYMBIONTS

A) Gunnera                                                                            i) Frankia

      B) Azolla                                                                                ii) Acetobacter

C) Leguminous                                                                     iii) Azospirillum

             D) Actinorhizal                                                                      iv) Nostoc

             E) Sugarcane                                                                         v) Anabaena

             F) Miscanthus                                                                       vi) Sinorhizobium

Which of the following combination with the host plants and n-fixing symbionts is CORRECT?

#Question id: 534

#Biochemistry

If glucose labeled with 14C in C-3 is metabolized to lactate via fermentation, the lactate will contain 14C in:

#Question id: 535

#Biochemistry

In some diabetic patients, glucose increases disproportionately and is unresponsive to an insulin challenge; under these conditions, how would oneʹs liver normally respond?

A) phosphorylating glucose for entry into the glycolytic pathway

B) saturating glucokinase with glucose

C) phosphorylating glucose for entry into the glycogen synthesis pathways

#Question id: 536

#Biochemistry

Glucose 6-phosphate allosterically inhibits

A) hexokinase I.

B) glucokinase.

C) hexokinase II.

#Question id: 537

#Biochemistry

Substrate level phosphorylation

A) describes the conversion of ADP into ATP with the addition of inorganic phosphate every place throughout the cell.

B) describes the formation of ADP by phosphoryl group transfer from 1,3 bisphosphoglycerate.

C) is the formation of ATP by phosphoryl group transfer from a higher energy compound.

#Question id: 538

#Biochemistry

Which of the following statements are correct about cells that form ATP mainly by glycolysis are

A) anaerobic yeasts.

B) lactic acid bacteria.

C) kidney medulla cells.

#Question id: 539

#Biochemistry

Which of the following mutases catalyze the formation of a 2,3-BPG intermediate?

A) muscle phosphoglycerate mutases

B) plant phosphoglycerate mutases

C) yeast phosphoglycerate mutases