3. In PCR, annealing temperature of the primer does not depend on: a. Primer length b. dNTP concentration c. The secondary structure of the primer d. The GC content of […]
2. Which one of the following would produce the highest variability of gametes if the alleles assorted independently? a. Yy PP Tt Rr b. Yy Pp Tt Rr c. YY […]
1. Ocean acidification has multiple consequences on marine life, including reducing availability of carbonate for skeletal formation of ocean organisms, increasing coral bleaching, and other impacts. The main driver of […]
15. Which of the options listed below show the most appropriate set of reagents to carry out the following reaction? a. i. EtMgBr, ii. HCl b. i. HCl, ii. EtMgBr […]
14. A molecule has formula C4H8O2. Based on the following proton NMR spectrum, what is the structure? a. A b. B c. C d. D The correct structure is option […]
13. An acidic solution containing 0.01 M La3+ is treated with NaOH until La(OH)3 precipitates. At what pH does this occur? (Ksp=2×10-21) a. 6.8 b. 7 c. 7.8 d. 8 […]
12. Between metal carbonyl complexes A = M(CO)4(PEt3) and B = M(CO)4(PPh3), the ability to act as a catalyst for nucleophilic addition to olefin is a. similar for both b. […]
11. Arrange the following compounds in increasing order of acid strength: I: Phenol, II: o-nitrophenol, III: m-nitrophenol, IV: 2,4-dinitrophenol, V: 2,4,6- trinitrophenol a. I < V < IV < II […]
9. Choose the molecule that has polar bonds but does NOT orient within an electric field. a. HCl b. Cl2 c. CCl4 d. NH3 CCl4 contains polar bonds but remains […]
