Phase-contrast microscopy is suitable for observing which kind of sample?

1. Single cells 

2. Group of cells

3. Thin cell layers

4. Thick cell layers

Which of the following options is correct?

#Question id: 27943

#Biochemistry

Which of the following reaction is catalyzes by enolase during Glycolysis

#Question id: 27945

#Biochemistry

Which of the following statements is true regarding the payoff phase of glycolysis

a. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by ATP to form 1,3-bisphosphoglycerate 

b. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by inorganic phosphate to form 1,3-bisphosphoglycerate

c. Oxidative phosphorylation of 3-Phosphoglycerate produces one NADH

d. Oxidative phosphorylation of glyceraldehyde 3-phosphate, produces one NADH

#Question id: 27946

#Biochemistry

#Question id: 27948

#Biochemistry

#Question id: 27949

#Biochemistry

Which of the following reaction is catalyzed by enzyme phosphohexose isomerase (phosphoglucose isomerase)

#Question id: 27950

#Biochemistry

Some of the properties of Hexokinases I, II, III & IV is given

a. Hexokinases I, II, and III shows hyperbolic curve of glucose binding while Hexokinase IV shows sigmoidal curve 

b. Accumulation of glucose 6-phosphate inhibits hexokinases I–III by feedback mechanism 

c. Accumulation of glucose 6-phosphate allosterically inhibits hexokinases I–III.

d. The allosteric effector of Hexokinase IV is fructose 6-phosphate.

Which of the following is incorrect