During cellular respiration The fuel (such as glucose) is reduced, and 02 osidized the fuel (such as glucose) is oxsidized, and 02 is reduced C both fuel and oxygen are Osidized D both fuel and oxygen are Reduced S. Substrate level phosphorylation is involved in all of the following processes except A Glycolysis 6. 4. A Krebs cycle C. Chemiosmosis D. no exception accounts for almost 90% of the ATP generated by cellular respiration C osldative phosphorylation D. phosphorylation A Photophosphorylation B Substrate-level phosphorylation 7. The only member of the electron transport chain that is not a protein is A ubiquinone (Q) 8 Which of the following is NOT a carbohydrate? B. Flavin mononucleotide (FMN) C. complex i D. Cytochrome. B. Glucose C. Glycine D. Glycogen A Sucrose 9. With regards to genes, which of the following is correct . A Units of heredity B Made up of segments of DNA C Passes to the next generation through gametes D. All given cholces are correct 10. A pair of X chromosomes in human somatic cell is (best answer). A Sex chromosomes 8 Homologous chromosomes C. Homologous sex chromosomes D. Homologous autosomes 11. With regards to glycolysis, all of the following are correct except A. Catabolic pathway 12. During cell division, pairs of homologous chromosomes separate at. A Anaphase I B. Anaphase II C. Anaphase B. two phases C. 10 steps D. net ATP investment D. Prophase 13. is a protein that speeds up the rate of biochemical reaction by lowering its activation energy (give the best answer?) A. Enzyme 14. The ATP produced during glycolysis process is generated by A substrate-level phosphorylation 8. electron transport chain B. Catalyst C. Vitamin D. Hormone C. oxidative phosphorylation D. chemiosmosis. 15. Transcription is the: A. Synthesis of DNA under the direction of DNA B. Synthesis of mRNA under the direction of DNA C. Synthesis of a polypeptide under the direction of DNA D. MRNA directs synthesis of polypeptide 16. Translation codon termination in eukaryotes all except: A. UAC 17. Which of the following is attached to the tRNA? A. MRNA 18. The P site on ribosome is the binding site for; A. Peptidyl-rRNA 19. If a portion of a MRNA contains the base sequence "AAU", the corresponding TRNA base sequence is: A. AAU B. UGA C. UAG D. UAA B. Fatty acid C. Nucleic acid D. Amino acid B. Peptidyl-TRNA C. Aminoacyl-tRNA D. Peptidyl-MRNA B. GGT C. UUA D. TTA 2|Page