Multiple Choice
Which of the following coats is used on vesicles that transport molecules from the Golgi to the ER?
13. Intracellular Protein Transport
Vesicular Budding, Transport, and Coat Proteins
Struggling with Cell Biology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Vesicle fusion requires all but which of the following?
A
T SNARES
B
V SNARES
C
Trans SNARE complex
D
Rab GTP proteins
Verified step by step guidance1
Understand the role of SNARE proteins in vesicle fusion: SNARE proteins are essential for the fusion of vesicles with target membranes. They are categorized into T-SNAREs (target membrane SNAREs) and V-SNAREs (vesicle SNAREs).
Identify the function of T-SNAREs: T-SNAREs are located on the target membrane and are crucial for recognizing and binding to V-SNAREs on the vesicle membrane.
Identify the function of V-SNAREs: V-SNAREs are located on the vesicle membrane and interact with T-SNAREs to facilitate the docking and fusion of the vesicle with the target membrane.
Understand the Trans SNARE complex: This complex is formed when T-SNAREs and V-SNAREs interact, bringing the vesicle and target membranes close enough to initiate fusion.
Clarify the role of Rab GTP proteins: Rab GTP proteins are involved in vesicle targeting and docking but are not directly required for the SNARE-mediated fusion process itself. They help in the initial stages of vesicle transport and positioning.
Related Videos
Related Practice
Vesicular Budding, Transport, and Coat Proteins practice set
Problem sets built by lead tutorsExpert video explanations