26. The first amino acid incorporated into a growing polypeptide
A. In bacteria is methionine and it is also methionine in eukaryotes
B. In bacteria is tryptophan, while it is methionine in eukaryotes
C. In bacteria is N-formyl methionine, while it is methionine in eukaryotes
D. In bacteria is N-formyl methionine and it is also N-formyl methionine in eukaryotes
E. In bacteria is methionine, while it is N-formyl methionine in eukaryotes
27. In E. coli the IF3 forces tRNAf Met to bind with
A. The A site of the ribosome
B. The P site of the ribosome
C. The E site of the ribosome
D. IF1
E. IF2
Answer
26. Option A is the right answer because methionine is starting amino acid in both prokaryotes and eukaryotes.
27. Option B is the right answer.
26. The first amino acid incorporated into a growing polypeptide A. In bacteria is methionine and...
Methionine is an amino acid made by E coli. The met (methionine) operon in E. coli responds to a repressor protein which itself is: a. encoded by the operon b. turned off when bound to methionine c. turned on when bound to methionine d. unresponsive to any product of the methionine biosynthetic pathway e. turned on when bound to tryptophan
Question 57 1 pts The first amino acid in eukaryotic polypeptide is formy-methionine. True False Question 58 1 pts Archaeal translation is more similar to eukaryotes than to that of bacteria o True
In Bacteria, translation of nascent RNA transcripts is often initiated before transcription is terminated. When this occurs: Select one: a. RNA is transcribed 3'=>5' and amino acids are added to the carboxy terminus of the growing polypeptide as the ribosome moves 5' => 3' along the mRNA b. RNA is transcribed 5'->3' and amino acids are added to the amino terminus of the growing polypeptide as the ribosome moves 3'=> 5' along the mRNA c. RNA is transcribed 3'=> 5'...
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...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
want to double check!
25. Th e DNA sequences encoding the initiation whese parated bcoding the initiation and termination codons of a certain protein amino acids in length. there of the protei nucleotides on a certain organism's chromosome; however ssuming that there has been no post-translational processing elined from this gene is translated, the protein product is only 250 A. The RNA was synthesized in a bacterial cell n, what can you conclude from these observations? The RNA was synthesized...
26. Which of the following classification does not match the amino acid side chain A) Contains an basic group/ lysine B) It is polar C) Forms disulfide bond/ cysteine D) Forms hydrogen bonds with neighbors/ alanine serine 27. All amino acids found in proteins are L-amino acids EXCEPT the achiral. A) glutamate B) Lysine C) glyeine D) Alamine 28. The plH at which the positive and negative charges of an amino acid balance each ofher is called the A) isotonic...
Microbiology study guide questions. Please Help!
s. which of the following statements about water activity is not true? a) many fungi can tolerate aw levels of 07-0.8 b) many microorganisms grow well at an aw of 0.98 e sear water has an aw of 0.98 e-xerephiles thrive in dry conditions DNA typically becomes disordered below an a of o.90 Which of the following descriptions about ribosome structure is not true? a) 80s is the size of the intact functional ribosome...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum and Golgi apparatus? A. lipids and steroids B. DNA polymerase and RNA polymerase C. lysosomal enzymes D. cytoskeletal proteins 30. Which of the following are processed in the Golgi apparatus? A. integral membrane proteins of the plasma membrane B. proteins that are secreted from the cell C. proteins that will be broken down by lysosomes D. all of the above E. none of the...
2 What is the minimum genotype of a recombinant cell that grew on minimal media supplemented with arginine, methionine and the antibiotic tetracycline but lacking the essential amino acid isoleucine 3 How would you determine if your recombinant cells had also acquired the tryptophan gene from the Hart Complete the following table indicating which of the organisms (F and/or Hfr used in this experiment would be expected to grow on the given media. Unless specified, MMD is just minimal medium...