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REY [17]
3 years ago
14

How might the events that have occurred upstream at the glomerulus affect Starling forces so that they promote fluid uptake into

the peritubular capillaries? What will happen to________
a) glomerular filtration rate and
b) proximal tubule fluid reabsorption if the efferent arteriole is constricted (provide explanations for your answers)?
Biology
1 answer:
zysi [14]3 years ago
6 0

Answer:

Explanation:A-

For Glomerular filtration rate, Increased blood volume and increased blood pressure will increase .

Constriction in the afferent arterioles going into the glomerulus and dilation of the efferent arterioles coming out of the glomerulus will decrease.

B- decreases both blood flow and filtration pressure where as constricting the efferent arteriole decreases blood flow but increases filtration pressure

The fact that both can be altered allows independent regulation of both GFR and blood flow.

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3 0
3 years ago
Why mustard is a dicot cottedonous Plant give two reasons​
bekas [8.4K]

Answer:

Brassica species are dicot which means that they have two cotyledons instead of one like monocots. Cotyledons supply food for the plants in the seed. As the plant matures, it flowers. Mustard plants have small yellow flowers in clusters.

4 0
3 years ago
Juana is a low-empathy person, whereas Fiorella is a high-empathy person. Research suggests that when shown photos of happy face
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<h3>What is Empathy?</h3>

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3 0
2 years ago
What color of visible light has the least percentage of absorption by chlorophyll A?
solmaris [256]
As shown in detail in the absorption spectra, chlorophyll absorbs light in the red (long wavelength) and the blue (short wavelength) regions of the visible light spectrum. Green light is not absorbed but reflected, making the plant appear green
6 0
3 years ago
In C3 plants the conservation of water promotes _____.
bija089 [108]

Answer:

The correct answer is d. photorespiration

Explanation:

In the C3 plant, the Rubisco enzyme is important that fix CO2 into organic molecule by binding with CO2. Rubisco can also bind to oxygen when the oxygen concentration increases in cells which leads to the loss of fixed CO2  and waste of energy which is called photorespiration.

So when stomata are open CO2 comes in and O2 goes out of the cell which maintains the high CO2 concentration in the cell but during hot days C3 plants close stomata to prevent water loss.  

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3 years ago
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