The GTPase Dynamin is involved in which step of vesicular trafficking A) Binding

Question

The GTPase Dynamin is involved in which step of vesicular trafficking A) Binding of cargo molecules to cargo receptors B) Assembly of the Clathrin coat C) Pinching off the vesicle from the membrane D) Transport of vesicles along membrane The extension of a lamellipodium by a migrating cell does not depend on the following A) Assembly of actin monomers at the plus end of actin filaments B) Formation of branched actin filaments by ArP2/3 C) Formation of GTP cap D) Disassembly of actin monomers at the minus end of the actin filaments Microtubule growth is dependent on which of the following proteins or structures? A) Arp2/3 complex B) Gamma tubulin ring complex C) Desmosomes D) I rite grin Which of the following elements It not required for transport of a soluble protein into the lumen A) F.R signal sequence B) Protein translocator C) Signal recognition particle receptor D) Stop transfer sequence Your friend works in a biotechnology company and has discovered a drug that blocks the ah exchange GDP for GTP. What it the most likely effect of this drug on the nuclear transport? A) Nuclear transport receptors would be unable to bind cargo. B) Nuclear transport receptors would be unable to enter the nucleus. C) Nuclear transport receptors would be unable to release their cargo in the nucleus. D) Nuclear transport receptors would interact irreversibly with the nuclear pore fibrils. The packing of proteins into secretory vesicles occurs in discrete steps. Which one describes the correct order of the events lined in I V below? I. The GTPase dynamin pinches off the vesicle from membrane of origin II. Clathrin binds to adaptin III. Clathrin coat falls off IV. Cargo receptor binds cargo A) II, I, III, IV B) I, II, IV, III C) IV, I, III, II D) IV, I, III, II Signal sequence that direct proteins to the endoplasmic reticulum are ? A) Added to proteins through post translations modification B) Encoded in the amino acid sequence C) Added to a protein by a protein translator D) Not removed and remain attached to the protein

Explanation / Answer

1. C) pinching of the vesicles from the membrane.

15. D) Disassembly of actin monomers at the minus end of the action filaments.

10. B) Gamma Tubulin ring complex

2. D) Stop transfer sequence

3. C) Nuclear transport receptors would be unable to release their cargo in the nucleus.

4. B) I, II, IV, III

5. B) Encoded in the amino acid sequence.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.