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2 years ago

What is a substrate?

Biology

2 answers:

Lady_Fox [76]2 years ago

4 0

A substrate is a reactant that is catalyzed by an enzyme.

Eddi Din [679]2 years ago

3 0

Answer: A reactant that is catalyzed by an enzyme.

Explanation:

The substrate is the substance or molecule over which an enzymes works during a biochemical reaction. The substrate attach itself to the active site of the enzyme and the enzyme- substrate complex is formed. The substrate is then transformed into products, which get released from the active site of the enzyme. The active site becomes free to accept another substrate molecule to be transformed into product. The enzyme exhibit catalytic property which facilitates the conversion of the substrate into the product.

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3 years ago

Explain how drinking through a straw illustrates fluid flowing from high-pressure to low-pressure

Vilka [71]

Drinking through a straw shows fluid flowing from high pressure to low pressure in 2 ways. The first is how it shows high pressure as you stuck on the straw. This increases the pressure and brings the fluid to your mouth. If this pressure is kept you can successfully pick up the straw filled with water and have none come out. This demonstrates low pressure when you stop ducking and the fluid falls back down the straw into your cup.

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2 years ago

The majority of water reabsorption from the filtrate occurs in the _____ ____ ______.

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The majority of water reabsorption from the filtrate occurs in the proximal convoluted tubule (PCT).

Further Explanation:

The nephron is the functional unit of the kidney which plays key role in the removal of waste product from the body. Nephron consists of glomerulus and convoluted tubules.

Parts of the nephron:

1. Proximal convoluted tubule (PCT): It is the first part of nephron which is closer to the glomerulus. It consists of microvilli and various carrier protein which increases its surface area for reabsorption. This part is responsible for the reabsorption of sodium chloride, glucose, water, amino acid, bicarbonate etc.

2. Henle loop: This is present after PCT. As it forms loop like structure therefore it is named so. It consist of ascending loop and descending loop. This part is responsible for the reabsorption of water, sodium and chloride.

3. Distal convoluted tubule: It is the last part of the nephron which empties its filtrate into the collecting duct. This part is responsible for the reabsorption sodium and chloride.

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Answer Detail:

Grade: High School

Subject: Biology

Chapter: The excretory system

Keywords:

Water reabsorption, proximal convoluted tubule, nephron, kidney, glomerulus, microvilli, carrier protein, surface area, amino acid, bicarbonate, Henle loop, distal convoluted tubule, collecting duct, PCT, DCT.

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2 years ago

Explain how the processes of aerobic cellular respiration and photosynthesis are related to one another.

REY [17]

During photosynthesis, the plant needs carbon dioxide and water-- both of which are released into the air during respiration, during respiration, the plant needs oxygen and glucose, which are both produced through photosynthesis

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OXYGEN/CARBON/GLUCOSE

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3 years ago

Read 2 more answers