Ap biology transcription - Study guides, Class notes & Summaries

AP Biology Unit 6 Test Verified Solutions What enhances the expression of a gene? ️the attachment of RNA polymerase to DNA Describe what happens when the lactose operon is turned on and transcribing. ️Allolactose or lactose binds to and changes the shape of the repressor. Genes A,B,C, and D are located on the same chromosome. Testcrosses show that the recombination frequency between A and B is 36% and between A and C is 23%. The recombination frequency between C and D is 5% and b...

ADVANCED PLACEMENT (AP) BIOLOGY:Transcription 32 Questions Correctly Answered | 100% Rated Which of the following statements about post-transcriptional processing is true? Possible Answers: A methylguanine cap is added to the 3' end of the mature mRNA Exons are spliced out of hnRNA and are not part of the mature mRNA Post-transcriptional hnRNA processing prevents RNA from degrading as it leaves the nucleus A poly-A tail is added to the 5' end of the mature mRNA Correct answer: Post-transcr...

AP Biology Final Exam Review Questions and Answers latest Verified emergent properties - CORRECT ANSWER-new properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases negative feedback - CORRECT ANSWER-a mechanism of response in which a stimulus initiates reactions that reduce the stimulus positive feedback - CORRECT ANSWER-a physiological control mechanism in which a change in a variable triggers ...

Question 1 Which of the following statements about post-transcriptional processing is true? Possible Answers: A methylguanine cap is added to the 3' end of the mature mRNA Exons are spliced out of hnRNA and are not part of the mature mRNA Post-transcriptional hnRNA processing prevents RNA from degrading as it leaves the nucleus A poly-A tail is added to the 5' end of the mature mRNA Correct answer: Post-transcriptional hnRNA processing prevents RNA from degrading as it leaves the nucleus Que...

AP Biology Final Exam Review Study Guide with Complete Solutions emergent properties - Answer️️ -new properties that emerge with each step upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity increases negative feedback - Answer️️ -a mechanism of response in which a stimulus initiates reactions that reduce the stimulus positive feedback - Answer️️ -a physiological control mechanism in which a change in a variable triggers mechanism...

AP Biology Practice Exam yes ️is testosterone lipid soluble testosterone ️readily passes through the cell membrane and binds to a receptor in the cytoplasm. the hormone and receptor then enter the nucleus and act as a transcription factot voltage-gated calcium channels in the membrane open ️what is a direct result of depolarizing presynaptic membrane of an axon oxygen gas ️in photosynthesis, atom goes from water to pump ️whenever this term is used, active transport occur...

Pyrimidine - Answer One carbon ring Cytosine, Thymine, Uracil What is the function of mRNA? - Answer Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - Answer Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? - Answer part of ribosome structure most abundant RNA coordinated coupling of tRNA to mRNA codons Feedback inhibition - Answer Product of pathway is noncompetitive inhibitor Binds to all...

AP Biology Practice Exam Questions with Guaranteed Correct Answers yes - CORRECT ANSWER-is testosterone lipid soluble testosterone - CORRECT ANSWER-readily passes through the cell membrane and binds to a receptor in the cytoplasm. the hormone and receptor then enter the nucleus and act as a transcription factot voltage-gated calcium channels in the membrane open - CORRECT ANSWER-what is a direct result of depolarizing presynaptic membrane of an axon oxygen gas - CORRECT ANSWER-in pho...

ADVANCED PLACEMENT (AP) BIOLOGYUnderstand Steps Of Transcription 29 Questions Correctly Answered | 100% Rated Histones are most closely linked to which of the following processes? Possible Answers: Crossing over of genetic information Eukaryotic cell division Chromosome formation Synthesis of ATP in the nucleolus Correct answer: Chromosome formation

AP Biology: Unit 6 exam study questions and answers | 100% pass What is the structure of DNA? - Answer️️ -Molecules called nucleotides, each nucleotide has a phosphate group, sugar group, and a nitrogen base. Its made up of 2 strands forming a double helix Role of Alfred Hershey and Martha Chase in discovering the structure of DNA - Answer️️ --Alfred Hershey and Martha chase performed experiments showing that DNA is the genetic material of a phage known as T2 -They designed an ex...