Nros 310 - Study guides, Class notes & Summaries

NROS 310 Final Exam 2023 with 100% correct answers

NROS 310 Exam 2 questions with correct answers

NROS 310 Final Exam 2023 with 100% correct answers

NROS 310 EXAM 2 questions with correct answers

NROS 310 Final Exam 2023 with 100% correct answers

NROS 310 Final Exam 2023 with 100% correct answers

What types of signal sequences are likely to be cleaved off and which are not? Explain why this is the case. - Answer Signal sequences that are a series of hydrophobic aa are most likely to be cleaved off because the protein needs to be soluble and secreted in the membrane. Describe the function of the SRP. - Answer It pauses translation and then docks the protein and ribosome to the ER, then translation resumes after it when it releases it. How do multiple transmembrane proteins get i...

NROS 310 Final Exam 2023 with 100% correct answers

What are the three main components of the cytoskeleton and what are their main functions? - Answer Actin/microfilament: critical in muscle contraction, in microvili Microtubules: organized, extend out from nucleus (except neurons), form flagella Intermediate filaments: structural integrity What are the main similarities and differences between the three components of the cytoskeleton? - Answer Actin: small and flexible, dynamic, in every cell Microtubules: large and less flexible, dyna...

Why is it important that proteins get targeted to the right cellular location? - Answer They are made for a specific function of a specific organelle. It would be useless without being in the right place in the cell. How do proteins get to the appropriate target(s) within the cell? - Answer Amino acid codes (tag of function) Receptors Cytoskeletal trafficking/ vesicle transport (from ER) What kinds of molecules can pass unaided through the nuclear pore complex? - Answer Uncharged, ...