of proteins produced by MS2? a. How many copies of the genome are available b. The secondary structure of the RNA c. Speed of translation d. Speed of replication e. Amounts of cellular translation factors 34. Which protein is made first in (ssRNA phage) MS2? a. Maturation protein b. Lysis protein c. Readthrough protein d. Coat protein e. Replicase protein 35. Translation of the lysis protein in MS2 is due to lack of a. Replicase protein binding the genome b. Coat protein binding the genome c. Ribosome
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replace the primer with DNA. DNA Ligase Its function is to connect the okazaki fragments‚ only after the RNA primase has been removed. Connecting/fitting the DNA strand to make a complete strand of DNA without any gaps. Role of mRNA in transcription and translation Step 1 A copy of the gene in the DNA is created (replication). The copy‚ messenger RNA (mRNA) serves as a
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1. 2. 3. All of Allison’s eggs will carry the X chromosome and 50% of Allison’s egg cells will carry the recessive allele (hexa). 4.a. There is a 25% chance that Allison and Tim will have a baby boy who is heterozygous for Tay-Sachs. b. No‚ the baby boy will not have Tay-Sachs he will be a carrier for the disease. The boy would only have the disease if he was homozygous recessive. | X | Y | X | XX | XY | X | XX | XY | 1:2 1:2 | T | t | T | TT | Tt | t | Tt | tt
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Exam 3 Review Sheet Equation for cellular respiration‚ be able to follow carbons from glucose to carbon dioxide Four stages of cellular respiration Glycolysis‚ location‚ three phases‚ output. Breakdown of pyruvate‚ location‚ input and output Citric acid cycle‚ overall goal‚ main processes. Oxidative phosphorylation‚ electron transport chain‚ final acceptor Chemiosmosis‚ role of H ions‚ role of ATP synthase Fermentation‚ steps in the process‚ alcoholic and lactate‚ where each occurs Be able
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a semiconservative process‚ in which the original parent strands serves as the template for the new complimentary strands to be created. -Replication is done in a 5’ to 3’ direction 2 STAMP (Y2) 2.24: DNA notes Protein Synthesis (Transcription and then translation) -Only one DNA strand is
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Transcription‚ or RNA synthesis‚ is the process of creating an equivalent RNA copy of a sequence of DNA. Both RNA and DNA are nucleic acids‚ which use base pairs of nucleotides as a complementary language that can be converted back and forth from DNA to RNA in the presence of the correct enzymes. During transcription‚ a DNA sequence is read by RNA polymerase‚ which produces a complementary‚ antiparallel RNA strand. As opposed to DNA replication‚ transcription results in an RNA complement
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Tryptophan is an amino acid B. Attenuation does not occur in eukaryotes C. During attenuation tryptophan molecules directly inhibit transcription of the Trp operon D. Tryptophan in the cell affects the rate of translation of tryptophan codons near the start of the Trp protein E. Presence of excess tryptophan results in premature termination of transcription. 3. The cell-cycle checkpoint that occurs during mitosis causes nuclear division to pause until A. DNA replication is complete. B
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Activity 16.1 Is the Hereditary Material DNA or Protein? Accumulating and Analyzing the Evidence Build a concept map to review the evidence used to determine that DNA was the genetic material‚ the structure of DNA‚ and its mode of replicaton. Keep in mind that there are many ways to construct a concept map. First‚ develop a separate concept map for each set of terms (A to F on the next page). Begin by writing each term on a separate Post-it note or sheet of paper. Then organize each set of terms
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How did the info in my DNA become my traits? This is a question that has been asked by many over the course of history.To answer this question we need to answer three essential questions‚ the first‚ how did we get our DNA‚ how did we go form one cell to trillions‚ and how did DNA become our traits. There is one essential driver to all of this‚ DNA‚ to understand DNA‚ we need to know what DNA is. DNA is two strands that contain genetic information in four bases‚ adenine‚ guanine‚ cytosine and thymine
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produce proteins. In prokaryotes gene regulation begins during transcription. Transcription begins when RNA polymerase binds to the promoter. RNA polymerase then begins to separate the two DNA strands and initiates copying. Once this has occurred‚ a terminator sequence signals the end of the gene. The terminator sequence gets transcribed‚ RNA polymerase detaches‚ and mRNA is released. Translation in prokaryotes is coupled with translation. The moment a stretch of RNA is synthesized by RNA polymerase
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