Feedback inhibition is an example of control at the level of (a) transcription (b) translation (c) posttranslation (d) replication (e) all the preceding
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Feedback inhibition is an example of control at the level of (a) transcription (b) translation (c) posttranslation (d) replication (e) all the preceding
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- What ensures fidelity in protein synthesis? How does this compare with the fidelity of replication and transcription?Research genetic diseases and find one that interests you. In your initial response, describe the known causes of this disease. Is it a flaw in DNA transcription/translation, or is it a form of gene suppression or expression? How do you know?DNA is the cellular repository of genetic information, andproteins are synthesized from RNA transcripts. Why don’tcells simply skip the transcription step and use DNA directlyin protein synthesis?
- Give typing answer with explanation and conclusion to all parts What would happen to the overall process of making proteins (transcription-translation) if the pores in the nuclear envelope were blocked? Q10. Suppose that an mRNA transcript consists of the following sequence of bases: AUGCCAGGUUAUGUCUAG. a. What sequence of amino acids would this translate to? b. Now suppose that a mutation takes place in the DNA so that twelfth base changes from U to G. How does this change the meaning of the 4th amino acid? (I.e., what does it change to?) c. Would the result be a normal protein? EXPLAIN SPECIFICALLY WHY OR WHY NOT.Place the steps below in the correct order to accurately reflect the steps by which a secretory protein is co-translationally imported into the lumen of the endoplasmic reticulum: As the polypeptide elongates and translocates into the ER, the signal peptidase cleaves the signal peptide. The SRP binds the SRP receptor, directing the ribosome to dock on the ER membrane. Termination of translation, results in the release of the polypeptide into the ER lumen, release of the ribosome from the ER membrane, and closing of the channel. The signal recognition particle (SRP) binds to the signal sequence on a newly synthesized polypeptide and stalls translation. The channel in the ER membrane opens and the polypeptide is inserted into the ER lumen. The SRP is released. A.6-4-2-3-1-5 B.4-2-5-1-3-6 C.3-1-6-2-4-5 D.1-2-3-4-5-6 E.2-6-1-5-4-3Stem cell What is the debate about between President Bush and President Obama?
- Define, explain, and differentiate between, the processes of transcription and translation. What enzymes or sub-cellular structures are responsible for carrying out these processes?Proteins like channels embedded within the cell's plasma membrane and enzymes scattered in the cytoplasm carry out vital functions. Can you explain the steps of the biological process, allowing cells to make proteins from genes? Can you please provide as many details to each step?I am studying pancreatic islet cells and have isolated, cloned, and sequenced a novel protein that you postulate has 4 transmembrane segments. What kind of experiment would allow me to test this hypothesis that there are 4 trans membrane segments?
- compare and contrast the initiation process for transcription and translation. what similarities and differences are there?Crick's Central Dogma states that there is a unidirectional flow of genetic information DNA ---> RNA -----> Protein Explain why this may not always be the case. (Describe a scenario in which movement may occur in the opposite direction).Choose all the items that catalyze the phosphodiester bond. - enhancer - promoter - activator - transcription factor - DNA polymerase - RNA polymerase