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yanalaym [24]
3 years ago
8

Compare longitudinal studies and cross-sectional studies. What do these studies have in common?

Medicine
1 answer:
taurus [48]3 years ago
8 0

Answer:     Longitudinal studies and cross-sectional studies are two different types of research design. In a cross-sectional study you collect data from a population at a specific point in time; in a longitudinal study you repeatedly collect data from the same sample over an extended period of time.

Explanation:

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In a protein supplement that contains 154 total kcalories, 11 grams of protein, and 17 grams of carbohydrate, how many kcalories
Llana [10]

Answer:

In this protein supplement there are 11 grams of protein which contribute with 44 kcalories. Therefore, the percentage of kcalories coming from protein in this particular supplement is 28,5 %.

Explanation:

Each gram of protein contributes 4 kcal (calories), so 11 grams of proteins x 4 kcal/gram = 44 kcal.

The total amount of kcalories is 154, so 44 kcal / 154 kcal x 100 = 28,5%.

When it comes to protein supplements is very important to realise how many proteins are being consumed and how many total calories this supplement has, for the simple reason that it might be not help to reach the protein goal for a particular individual, but instead, it might be providing too many calories that come from non-protein compounds.

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Which company made the pfizer vaccine ​
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The vaccine produced by the US biotech firm, based in Massachusetts

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An example of a research approach that assesses change after the treatment or intervention is over is:
Triss [41]

Answer:

Experimental Design

Explanation:

4 0
3 years ago
Describe the osmotic gradient in the kidney and explain how the
Shtirlitz [24]

Answer:

Explanation:

The osmotic gradient in the kidney typically in the medulla is a process that generates urine that is 5 times more concentrated so as to reduce the loss of water from the body.

The countercurrent multiplication is a process that uses energy to produce the osmotic gradient in the kidney, this process facilitates the reabsorption of water from the tubular fluid. This mechanism moves the sodium chloride from the tubular fluid to the interstitial space of the kidneys. The osmotic gradient can be developed in two ways:

1. The single effect: This involves the transport of sodium chloride from the tubular fluid and moved to the ascending limb then finally to the interstitial fluid. As a result of this, the water moves passively down to the concentration gradient out of the tubular fluid than to the descending limb of the interstitial space, until the equilibrium is achieved.  

2. Fluid flow method: The tubular fluid enters into the descending limb. This pushes the fluid into high osmolarity typically down the tube. This way the osmotic gradient develops.  

4 0
3 years ago
What technique was used to visualize the fingerprint relevant to the Madrid case and what are its limitations?
omeli [17]

Answer:

En 1892, su método sirvió para resolver, por primera vez en la historia, un homicidio mediante evidencia de huellas dactilares en la escena del crimen. Los hijos de una mujer llamada Francisca Rojas habían sido asesinados, y ella misma había señalado como responsable a un hombre al que había rechazado como marido. Los agentes de policía no lograron arrancarle una confesión al sospechoso aun sometiéndolo a torturas, así que se pusieron a investigar a fondo y encontraron una huella ensangrentada en una puerta.

Al cotejarla, descubrieron que la asesina no era otra que la madre, que, ante la evidencia, acabó confesando. El jefe de la Policía no tardó en adoptar oficialmente el Sistema Dactiloscópico Argentino, como posteriormente se conocería, lo que convirtió a Argentina en el primer país en depender únicamente de las huellas dactilares como método de identificación. A principios del siglo XX, el sistema de Vucetich empezó a difundirse por todo el mundo.

Explanation:

7 0
3 years ago
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