![ard Font Paragraph Styles 69. The process diagrammed below occurs in (eukaryotic cells (A); prokaryotic cells [B]; both eukar](http://img.homeworklib.com/questions/8e9aa600-e9b2-11eb-b3ee-2399d9d5c1e7.png?x-oss-process=image/resize,w_560)
Homework Answers
Ans-64- E (all of the above)
Ans-65- E (wobble)
Ans-66- B (methionine)
Ans-67- D (aminoacyl tRNA synthetase)
Ans-68- A (5' cap)
Ans-69- only in prokaryotic cells (because transcription and translation both are occurring simultaneously
Ans-70- B (glycosylation)
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Paragraph Lipod 64. Styles Which of the following is a ribonucleoprotein? A. Signal Recognition Particle B....
s141) Which nucleotide is used for energy to drive protein synthesis? A) TTP B) CTP C)...
s141) Which nucleotide is used for energy to drive protein synthesis? A) TTP B) CTP C) UTP D) GTP 2) Ribosomal RNA: A) Can bind to prokaryotic mRNA B) Plays no role in peptidyl transferase activity C) In eukaryotes, attaches to mRNA before transcription is completed D) All of the above 3) Spliceosomes: A) Are 40-60S, about the size of ribosomal subutnit B) Are necesssary for DNA replication C) Bind to RNA Polymerase D) Are composed entirely of proteins E)...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
Styles and 56. Paragraph Which of the following is not involved in the elongation step of...
Styles and 56. Paragraph Which of the following is not involved in the elongation step of translation? A. RNA polymerase B. Ribosomes C. Peptidyl transferase D. Charged tRNA E. The amino acid (A) site because the only codon for this amino acid is also the codon 57. In eukaryotes, the first amino acid in a growing polypeptide chain is always A. tryptophan; start B. alanine; start C. methionine; start D. alanine; stop E. tryptophan, stop 58. Which component of transcribed...
23. What ensures that the correct amino acid is added during translation? A. the methyl-guanosine cap...
23. What ensures that the correct amino acid is added during translation? A. the methyl-guanosine cap of a properly modified mRNA B. transcription factors C. the anticodon of a properly formed aminoacyl tRNA D. the sequence of the coding strand E. all of the above 24. If the DNA code for a particular amino acid is 5'AGT3', then the anticodon on the tRNA would be A. 5'TCA3 B. 5'UCA3 C. 5'AGU3 D. 5'ACU3 E. 5'UCA3 25. What enzyme catalyzes the...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells...
choose the right answer : 1- what is degradation of ' unwanted' proteins in eukaryotic cells A- polyribosomes B- proteasomes C- editosome D- spliceosomes 2- addition or deletion of bases causes which kind of mutation A- transition B- transcription C- transversion D- frameshift mutation 3- point mutation involve : A- change in single base pair B- deletion C- duplication D- insertion 4- what is the complementary m-RNA sequence for the DNA sequence C-A-A-G-G-T A- C-A-A-G-G-U B- G-U-U-C-C-A C- C-A-A-G-G-T D-...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
pour Paragraph 60. The genetic code is A. almost universal B. redundant C. ambiguous D. all...
pour Paragraph 60. The genetic code is A. almost universal B. redundant C. ambiguous D. all of the above E. A and B only 61.__Which of these is not a step in pre-mRNA processing? A. Exons are removed and introns are spliced together. B. A modified guanine nucleoside is attached to the 3 phosphates at the 5' end. C. 100-250 adenine nucleotides are added to the 3' end. D. Alternative processing involves the removal of different segments of RNA. E....
moose the correct alphabet (letter, noting that each and may have only ch answer can be...
moose the correct alphabet (letter, noting that each and may have only ch answer can be used more than once Answers a Eukaryotic mRNAS b.Prokaryotic mRNAs e . Transfer RNAS d. RNAs f. All RNAS e. Pre-mRNA the have a cloverleaf structure are synthesized by RNA polymerases the RNA that has the anti-codon are the template of genetic information during protein synthesis contains exons and introns is a structural component of the ribosome is the RNA that goes into the...
A) An Operon is:? 1- A gene that affect another gene transcription. 2. A gene coding...
A) An Operon is:? 1- A gene that affect another gene transcription. 2. A gene coding for a metabolic pathway. 3. A protein that blockgene expression. 4. A set of genes under the control of one promoter. B )- In bacteria the Lac Operon genes code for proteins that break down.? 1- Arabinose 2- Lactose 3- Galactose 4- Glucose C )mRNA processing involves removal of .......? 1- Introns 2- The poly-A tail 3- The 5' cap 4- Exons D )...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high glucose d) Low lactose, low glucose e) None of the above would have any lac operon expression 2. (2 points) Which of the following is true concerning molecular genetics? a) tRNA carries amino acids into the nucleus in eukaryotic cells b) DNA polymerase moves towards the...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
Styles and 56. Paragraph Which of the following is not involved in the elongation step of translation? A. RNA polymerase B. Ribosomes C. Peptidyl transferase D. Charged tRNA E. The amino acid (A) site because the only codon for this amino acid is also the codon 57. In eukaryotes, the first amino acid in a growing polypeptide chain is always A. tryptophan; start B. alanine; start C. methionine; start D. alanine; stop E. tryptophan, stop 58. Which component of transcribed...
23. What ensures that the correct amino acid is added during translation? A. the methyl-guanosine cap of a properly modified mRNA B. transcription factors C. the anticodon of a properly formed aminoacyl tRNA D. the sequence of the coding strand E. all of the above 24. If the DNA code for a particular amino acid is 5'AGT3', then the anticodon on the tRNA would be A. 5'TCA3 B. 5'UCA3 C. 5'AGU3 D. 5'ACU3 E. 5'UCA3 25. What enzyme catalyzes the...
Which of the following statements is true? A. RNA polymerase has a proofreading activity B. Prokaryotic RNA usually undergoes nuclear processing C. Polypeptides are synthesized by addition of amino acids to the amino terminus. D. The 3' end of mRNA corresponds to the carboxyl terminus of the protein. Grade 2. Which of the following A. It may be autocatalytic. B. Spliceosomes are present in organelles and nuclei C. It involves removal of exons is true regarding RNA processing? D. It...
pour Paragraph 60. The genetic code is A. almost universal B. redundant C. ambiguous D. all of the above E. A and B only 61.__Which of these is not a step in pre-mRNA processing? A. Exons are removed and introns are spliced together. B. A modified guanine nucleoside is attached to the 3 phosphates at the 5' end. C. 100-250 adenine nucleotides are added to the 3' end. D. Alternative processing involves the removal of different segments of RNA. E....
moose the correct alphabet (letter, noting that each and may have only ch answer can be used more than once Answers a Eukaryotic mRNAS b.Prokaryotic mRNAs e . Transfer RNAS d. RNAs f. All RNAS e. Pre-mRNA the have a cloverleaf structure are synthesized by RNA polymerases the RNA that has the anti-codon are the template of genetic information during protein synthesis contains exons and introns is a structural component of the ribosome is the RNA that goes into the...
Quiz 10 1. (2 points) Which of the following conditions would lead to the highest levels of lac operon expression? a) High lactose, high glucose b) High lactose, low glucose c) Low lactose, high glucose d) Low lactose, low glucose e) None of the above would have any lac operon expression 2. (2 points) Which of the following is true concerning molecular genetics? a) tRNA carries amino acids into the nucleus in eukaryotic cells b) DNA polymerase moves towards the...
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