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• 4. What is the most abundant polysaccharide in the natural organic compounds?(A)Cellulose(B) Chitin(
• 5. Which one below is the formal term for the genetic material of all organisms?(A)Ribonucleic acid(
• 6. Which type of living organisms below cannot be observed with a light microscope?(A)Bacteria(B)Fro
• 7. What is NOT a function of the actin filament of cells?(A)Maintain cell shape(B) Join in muscle co
• 8. Which below does prove the fluidity of cell membrane?(A)A mouse cell and a humnan cell can experi
• 9. What is not a trigger or a good description of apoptosis?(A)The external signals called death-sig
• 10. About the electron transportation chain in cellular respiration, which one below is a wrong stat
• 11. What is the characteristic of the G2 phase in a cell cycle?(A)Centrosomes duplicated.(B) Centros
• 12. For the human meiosis process, at which step that the cells first become to haploid and separate
• 13. Which one is NOT a correct description about crossing over?(A) It happens in Prophase I of meios
• 14. Some alleles are responsible for several symptoms of hereditary diseases, such as cystic fibrosi
• 15. Which kind of mutation below does not cause the alterations of chromosome structure during meios
• 16. Which one is NOT a true description of linked genes?(A)Linkage of genes violated the law of inde
• 17. In the history of the discovery of the genetic material, which combination was the research and
• 18. During DNA duplication, while a nucleotide was added in the DNA strand, which molecule was relea
• 19. What is NOT a required molecule to start a DNA duplication process on both leading and lagging s
• 20. After the RNA processing in a eukaryotic cell, which one is NOT in the final product?(A)5'
• 21. During the translation of a gene to a peptide chain, which step is the actual step that the pept
• 22. Which kind of a small-scale mutation could change the length of DNA template?(A)Point mutation(B
• 23. Which one does not involve in an activation of operon in E. coli?(A)Promoter(B) Regulatory gene(
• 24. Eukaryotic cells originally have the same genomes, but the cell have developed and have differen
• 25. The DNA sequencing techniques have been evolving fast since 2004. Which technology is used in th
• 26. What is the technique to use when you check if you have been infected by COVID-19 virus?(A)DNA c
• 27. Which one below cannot be used to identify the function of genes?(A)Gene knock-out(B) CRISPR-Cas
• 28. The human genome project began in 1990 and completed in 2003, during the 13 years, the scientist