Answered: Regulated exocytosis requires that some…

Regulated exocytosis requires that some sort of signal be received by the cell that leads to a vesicle fusing with the membrane

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 11RQ: FtsZ proteins direct the formation of a ________ that will eventually form the new cell walls of the...

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Concept explainers

Microbial Taxonomy

Taxonomy is the science of naming, classifying, and describing organisms. The taxonomy will include all the plants, microorganisms, and animals on this planet. Carl Linnaeus coined the taxonomy term. He is known as the father of taxonomy. Microbial taxonomy is a criterion of grouping microorganisms into groups based on their similarities and past relatedness. Microorganisms belonging to the same group are differentiated from the others via grouping into categories. This differentiation makes the study of microorganisms easy. There are different types of microbial taxonomies like Numerical and Molecular taxonomy. The study of microorganisms is known as microbiology. Microbiology is a broad term that takes into account microbial cultures, taxonomic studies, evolutionary relationships. Microbial interaction and diversity are huge data that needs to be compiled under the subject of microbiology. Microbiology covers various organisms like bacteria, fungi, algae, plants, animals, etc.

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Match the transport mechanisms with their descriptions. (1) diffusion (2) facilitated diffusion (3) filtration (4) active transport (5) endocytosis (6) exocytosis A. the cell membrane engulfs a particle or substance, drawing it into the cell in a vesicleB. movement down the concentration gradient with a carrier protein, without energy inputC. movement down the concentration gradient without a carrier protein or energy inputD. a particle or substance leaves a cell in a vesicle that merges with the cell membraneE. movement against the concentration gradient with energy inputF. hydrostatic pressure forces substances through membranes
An individual transport vesicle will fuse with only one type of membrane O is enclosed by a membrane with the same lipid and protein composition as the membrane of the docking membrane is endocytic if its traveling toward the plasma membrane contains only one type of protein in its lumen
Vesicle transport occurs between the ER and the Golgi in bothdirections. Let’s suppose a researcher added a drug to cells thatinhibited vesicle transport from the Golgi to the ER but did not affectvesicle transport from the ER to the Golgi. If you observed cellsmicroscopically after the drug was added, what would you expect to seehappen over the course of 1 hour?a. The ER would get smaller, and the Golgi would get larger.b. The ER would get larger, and the Golgi would get smaller.c. The ER and Golgi would stay the same size.d. Both the ER and Golgi would get larger.e. Both the ER and Golgi would get smaller
BIGIN54ci52FAos0B2p-iZNOsw/formResponse Anterograde transport is Transportation of secretory vesicle backwards Transportation of transition vesicle backwrds Transportation of transition vesicle forwards Transportation of late endosome forwards
Cytochalasin D inhibits the formation of microfilaments. Which of the following biological activities will be affected? Select all that apply. Formation of nuclear lamin network Formation of cleavage furrow in telophase U Cytosolic transport of secretory vesicles Movement of phagocytic cells
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From the options shown what proteins types/groups would not be present in vesicles budding from the trans-Golgi network? O proteins destined for the plasma membrane O proteins destined for the peroxisomal matrix O proteins destined for the endosome O proteins destined for the lysosome, O proteins secreted by exocytosis
Various types of vesicle coats have been implicated in membrane traffic pathways such as endocytosis, export from the ER to the Golgi, and transport between Golgi cisternae. But so far, no coat has been identified for the secretory vesicles that carry material from the Golgi to the plasma membrane. Do you think such a coat is likely to exist?
Contents of transport vesicles can originate at the rough ER or smooth ER. What types of molecules are expected to be transported from the rough ER? From the smooth ER?
Which of the following mechanisms is used to internalize soluble proteins that need to be brought into the cell? O Receptor mediated endocytosis COPII coated vesicles COPI coated vesicles Retrograde transport O Autophagy Previous
FtsZ proteins direct the formation of a ________ that will eventually form the new cell walls of the daughter cells. a. contractile ring b. cell plate c. cytoskeleton d. septum
FtsZ proteins direct the formation of a ___________ that will eventually form the new cell walls of the daughter cells. contractile ring cell plate cytoskeletom septum