11. The physiological mechanism responsible for flowering in response to temperature
12. Which of the following amino acids have side chains that are negatively charged under physiological conditions (i.e., near pH 7)?
13. Histones have very high percentage of basic amino acids (15 - 30%). For this class of proteins which of the following reagents would be a suitable choice for generating peptides in determination of amino acid sequence of the protein
14. Number of nucleotide present in FMN is
15. If a reaction is at equilibrium, the free energy, ΔG change is
16. Order the following events observed during muscle contraction in the correct sequence
1. The sarcomere shortens
2. ATP is hydrolyzed
3. Ca2+ binds to troponin
4. ATP binds to myosin
5. Mosin contracts F-actin
6. F-actin moves
7. Tropomyosin moves
8. Ca2+ is released from the sarcoplasmic reticulum
1. The sarcomere shortens
2. ATP is hydrolyzed
3. Ca2+ binds to troponin
4. ATP binds to myosin
5. Mosin contracts F-actin
6. F-actin moves
7. Tropomyosin moves
8. Ca2+ is released from the sarcoplasmic reticulum
17. Under standard temperature (T) and pressure (P) conditions, 128 g of an ideal gas molecule A occupies a volume of 1 L. The gas molecule A obeys the relationship RT = 0.25 PV. R and V are universal gas constant and ideal gas volume, respectively. The molecule A is
18. A peptide has the sequence Glu-His-Trp-Ser- Gly-Leu-Arg-pro-Gly. What is the net charge of the molecule at PH 11.
19. Which of the following statements are correct? Very long DNA fragments (> 100 kb) from eukaryotic genomes
P. Can be efficiency packaged in a λ phage vector
Q. Can be propagated in yeast artificial chromosomes
R. Must have cohesive ends for cloning
S. Can be separated by pulsed field gel electrophoresis techniques
P. Can be efficiency packaged in a λ phage vector
Q. Can be propagated in yeast artificial chromosomes
R. Must have cohesive ends for cloning
S. Can be separated by pulsed field gel electrophoresis techniques