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Alisiya
2 months ago
15

The mechanical and chemical receptors that control digestive activity are located ________.

Biology
1 answer:
11111nata11111 [2.5K]2 months ago
5 0
The digestive activity is regulated by mechanical and chemical receptors found in the walls of the tract organs.
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Santos and Lüderitz are the same distance from the equator, and both cities are near the ocean. The air temperature in Lüderitz
garik1379 [2080]

Answer:

Factors including environmental, spatial, and topographical aspects.

Explanation:

The temperature of the air is influenced by various environmental (such as vegetation) and geographical factors, with altitude being a crucial one since it can significantly impact the level of radiation received at the Earth's surface. Recently, advanced meteorological models have been developed that can estimate air temperature based on specific conditions. These models take into account a range of factors and utilize data related to both topography and location (e.g., latitude, longitude, and altitude).

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Although both br3- and i3- ions are known, the f3- ion has not been observed. explain.
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Fluorine, iodine, and bromine belong to the same group. As the first element, fluorine has fewer electron orbitals than bromine and iodine. The presence of D orbitals in bromine and iodine enables these elements to form bonds in various ways; however, fluorine's lack of D orbitals restricts its ability to form ions.<span />
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2 months ago
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of t
inysia [2303]
To enhance absorption effectiveness in the small intestine, the surface area of the mucosal lining is increased by structures like plicae circulares and intestinal villi . 
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2 months ago
An SDS lysate of red blood cells was submitted to SDS polyacrylamide gel electrophoresis. The sample revealed a major band with
enyata [2506]

Respuesta:

A partir del peso molecular dado - 17,000, la proteína de los glóbulos rojos es Hemoglobina A (Hb A).

Explicación:

La técnica utilizada para la separación de moléculas de proteínas según su tamaño molecular en el estudio de biología molecular, junto con un marcador de proteína de referencia para identificar el tamaño exacto de proteína desconocida, se conoce como electroforesis en gel de poliacrilamida con SDS. Durante el proceso de separación de proteínas, ADN y ARN, entre otros, el dodecil sulfato de sodio se utiliza como un compuesto orgánico sintético empleado como tensioactivo en la solución de lisis.

Con base en el peso molecular dado - 17,000, la proteína en los glóbulos rojos es Hemoglobina A (Hb A). Su función consiste en transportar oxígeno desde los órganos respiratorios hacia el resto del cuerpo y tejidos. La Hb A se presenta en forma de tetámero, es decir, contiene cuatro subunidades que consisten en dos subunidades alfa y dos beta, cada una compuesta por 141 y 146 residuos de aminoácidos, respectivamente. Cada subunidad tiene un tamaño molecular de aproximadamente 16,000 daltones y son estructuralmente similares y del mismo tamaño.

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2 months ago
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