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bulgar [2K]
2 years ago
13

Botulism is a potentially fatal foodborne disease caused by the bacterium Clostridium botulinum. C. botulinum produces different

toxins, several of which are proteases that cleave neuronal SNARE proteins. What normal process is blocked by cleavage and inhibition of SNARE proteins?
a) docking of vesicles to target membranes entry of proteins with ER
b) signal sequences into the ER
c) lumen fusion of vesicles with target membranes
d) budding of vesicles from the endoplasmic reticulum
Social Studies
1 answer:
viva [34]2 years ago
3 0

Answer:

The correct answer is option C (lumen fusion of vesicles with target membranes)

Explanation:

C. botulinum can be used medically to temporarily relieve muscle function and can produce toxins that can cleave neuronal SNARE proteins. Lumen fusion of vesicles with target membranes is a process that can be blocked by cleavage and inhibition of SNARE proteins.

SNARE proteins are vesicle fusion and they play a major role in the survival of a cell. If SNARE proteins are hindered, lumen fusion of vesicles with target membranes which involves merging of a vesicle with other vesicles would be blocked because membrane fusion is largely dependent on SNARE proteins.

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The table shows the terms of a fixed-rate mortgage.
gtnhenbr [62]

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6 0
3 years ago
Read 2 more answers
Help!!!
GrogVix [38]

Answer:

the treaty of Versaille

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which of the following statements best reflects the rights of citizens that are protected by the Bill of Rights
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Suppose that Canada decreases its tariff rates on all of its imports of televisions from abroad.
pentagon [3]

Answer:

Actividad #2: Lee las siguientes lecturas y contesta las preguntas de comprensión de

lectura.

Ciclo Hidrológico

El ciclo del agua no se inicia en un lugar específico, pero para esta explicación se asumirá

que comienza en los océanos. El Sol, que dirige el ciclo del agua, calienta el agua de los océanos,

la cual se evapora hacia el aire como vapor de agua. Corrientes ascendentes de aire llevan el

vapor a las capas superiores de la atmósfera, donde una temperatura más baja causa que el vapor

de agua se condense y forme las nubes. Las corrientes de aire, mueven las nubes sobre el globo,

las partículas de nube colisionan, crecen y caen en forma de precipitación. Parte de esta

precipitación cae en forma de nieve, y se acumula en capas de hielo y en los glaciares, los cuales

pueden almacenar agua congelada por millones de años. En los climas más cálidos, la nieve

acumulada se funde y se derrite cuando llega la primavera. La nieve derretida corre sobre la

superficie del terreno como agua de deshielo y a veces provoca inundaciones. La mayor parte de

la precipitación cae en los océanos o sobre la tierra, donde, debido a la gravedad, corre sobre la

superficie como escorrentía superficial.

Una parte de esta escorrentía alcanza los ríos en las depresiones del terreno, en la

corriente de los ríos el agua se transporta de vuelta a los océanos. El agua de escorrentía y el

agua subterránea que brota hacia la superficie, se acumula y almacena en los lagos de agua

dulce. No toda el agua de lluvia fluye hacia los ríos, una gran parte es absorbida por el suelo

como infiltración. Parte de esta agua permanece en las capas superiores del suelo, y vuelve a los

cuerpos de agua y a los océanos como descarga de agua subterránea. Otra parte del agua

subterránea encuentra aperturas en la superficie terrestre y emerge como manantiales de agua

dulce. El agua subterránea que se encuentra a poca profundidad, es tomada por las raíces de las

plantas y transpirada a través de la superficie de las hojas, regresando a la atmósfera. Otra parte

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almacenan grandes cantidades de agua dulce por largos períodos de tiempo. A lo largo del

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agua comienza nuevamente

Explanation:

woosh

8 0
3 years ago
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