Options:
- A. Change in pH of the surroundings.
- B. Formation of Enzyme Susstrate complex.
- C. Change in the charge of the active site.
- D. Change in temperature
View Answer
B. Formation of Enzyme Susstrate complex.
Biology
The rate of reaction is directly proportional to the concentration of an enzyme which statement is incorrect in this respect_________________?
Options:
- A. Increase in enzyme molecule increases the available active sites.
- B. This relation is for unlimited time period with unlimited enzyme concentration
- C. If the concentration is doubled the rate will become two fold.
- D. None of these.
View Answer
B. This relation is for unlimited time period with unlimited enzyme concentration
Which of the statement about cell membrane is not true?
Options:
- A. It contains protein molecules embedded in lipid bilayer
- B. It is a differentially permeable membrane.
- C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
- D. It may get infolded to engulf solid or liquid material.
View Answer
C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
Which chemical component has the same % in bacterial as well as the mammalian cell_____________?
Options:
- A. Water
- B. Carbohydrate
- C. Proteins
- D. Lipids
View Answer
A. Water
Cn(H2O)n. is a general formula of_____________?
Options:
- A. Monosaccharides
- B. Oligosaccharides
- C. Ploysacharides
- D. Carbohydrates
View Answer
D. Carbohydrates
Which one gives blue colour with iodine_______________?
Options:
- A. Starch
- B. Glycogen
- C. Cellulose
- D. Polysaccharide
View Answer
A. Starch
The one which is incorrect pair?
Options:
- A. Sori
- B. Arthrophytes
- C. Dichotomous
- D. Lycopods
View Answer
C. Dichotomous
A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
Options:
- A. Phosphodiester linkage
- B. Glycosidic bond
- C. Peptide bond
- D. Hydrogen bond
View Answer
C. Peptide bond
helical structure is kept by the formation of _________ bonds among amino acids molecules?
Options:
- A. H bonds
- B. Disulphide Bond
- C. Ionic bond
- D. Hydrophobic bonds
View Answer
A. H bonds
Keto group is represented as___________?
Options:
- A. CO
- B. C-COO-C
- C. HCOH
- D. HOH
View Answer
A. CO