23. Bacteri a. True Statement for all life forms have same similar b. False stat

Question

23. Bacteri a. True Statement for all life forms have same similar b. False statement; these are three different species so ave the same protein start codon (Not reviewed) protein start codon codon for protein translation they can't have simitar start c. Not really sure of the answer but I believe that (a) & (b) above are somewhat of correct s must be the day I missed class or wasn't paying attention e. Trick question, none of the abave are correct (snidel) 24. Garbage gene code would lead to garbage proteins synthesis (not reviewed) a. True b. False c. Not in my lecture ppt d. Google didn't help e. Common sense didm't help either 25. The nucleotide sequence of RNA is? a. A-U-T-C b. G-C-U-T C. A-C-T-Xfthis-CANNOT BE CORRECT!) d. A-U-G-C e. None of the above is true 26. Sickle cell hemoglobin is an example of chromosomal deletion (not reviewed) a) Absolutely true statement b) Absolutely false statement c) Sickled cells carry oxygen in full capacity d) I am confused with these choices e) I will just google for the answer since it's a take home exam 27. Junk regions of your DNA (introns) codes for....not reviewed) a. Most genes needed for all biologicalactivities b. They act as protective spacers between coding (exon)regions of genes c. Trick question, none of these choices istrue d. A and B could be correct and I can prove it! 28. When your wound heals, mitotic cell division is what is responsible a. True b. False c. They are both corredt d. None is correct

Explanation / Answer

23) The start codon for all the organisms is AUG which codes for methionine. Therefore bacteria, whale and humans all have the similar start codon. So, the given statement is true. (option a).

24) Garbage gene code will be lost during translation process and it will not lead to garbage protein synthesis. So, this statement is false (option b).

25) The nucleotide thymine is replaced by uracil in RNA. Therefore, the nucleotide sequence of RNA is A-U-G-C (option d).

26) Sickle cell hemoglobin is an example of chromosomal substitution. Glutamine in normal hemoglobin is replaced by the aminoacid valine. So, this statement is false (option b).

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