A. Elevation of temperature in cold conditions.
B. Embracing the enzymes and other proteins and prevent their denaturation.
C. Change the chemical nature of other proteins thus making them heat resistant.
D. Help in evaporative cooling.
Related Mcqs:
- Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
A. Globular proteins
B. Fibrous Proteins
C. Both a and b
D. None of these - Bony callus formation completes in___________?
A. 2-3 weeks
B. 3-4 weeks.
C. 2-3 months.
D. 3-4 months. - Linnaeus published the list of names of plants in___________?
A. 1752
B. 1753
C. 1754
D. 1755Submitted by: Muhammad Asif Gondal
- Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane?
A. Change in membrane protein composition.
B. Change in the solute composition of the cell membrane which prevents crystallization.
C. Increase in proportion of unsaturated fatty acids.
D. Development of heat shock proteins. - Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?
A. Gibberellins
B. Cytokinins
C. Auxins
D. Ethene. - Epiphytes are plants which depend on other plants for________?
A. food
B. mechanical support
C. shade
D. None of theseSubmitted by: Tauqeer Ahmad Rajput
- Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?
A. Ribosomes
B. Cytoplasm
C. Golgi apparatus
D. Endoplasmic reticulum - Primary structure of proteins determines__________?
A. Number of polypeptide chains involved
B. Bending of polypeptide chains
C. Amino acid sequence
D. Coiling of polypeptide chains - Proteins comprise of ___________% of the total dry weight of a cell?
A. 40%
B. 50%
C. 60%
D. 70% - Interconversion of carbohydrates proteins and lipids in living cells are an example of____________?
A. Coordinated catabolic activities
B. Coordinated anabolic activities
C. Both A and B
D. Any one
