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2 years ago

How does the proper breakdown of collagen in red meat affect the final texture when braised or stewed

1 answer:

7 0

Collagen makes up the majority of skin and the tendons that join muscles to bones. Cooking techniques that use slow, wet heat, such stewing or braising, are optimal for cuts that are high in collagen. Collagen is soluble in water, and it transforms into gelatin when cooked gently over moist heat. By chopping meat into smaller pieces, that makes the fibers smaller and simpler to break apart, we can also make collagen less rigid.

The most common protein in animals is collagen, a lengthy, rigid protein. It is made up of three distinct molecules that are wrapped around one another to form a rope-like structure. These molecules are each formed of amino acid chains. The collagen is extremely strong because of this structure, which also makes it more challenging to break down. A piece of meat becomes increasingly difficult to cut and chew as the amount of collagen increases.

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How can having more species make an<br> ecosystem more sustainable?

jeka94

Answer:

Biodiversity will increase which will make the ecosystem more immune towards diseases and changes in weather.

Explanation:

Example: If u have 1 type of fish in a lake and suddenly the water became salty for some reason, that kind of fish may not survive and if it doesn't there will be no life left in the lake, but if there were multiple types of fish and other animals then some of them would be able to survive and adapt on the change in environment. Hope I helped!

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4 years ago

In the Everglades, if the Burmese python has the same niche as the crocodile, what might happen?

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Answer: The thing that can happen between the Burmese python and the crocodile in the everglades is that they will disbalance the ecosystem for overconsumption of their prey and they will clash to displace one of them as primal predator.

Explanation:

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3 years ago

Read 2 more answers

Approximately 70-80 percent of cancers in the aging population are the result of

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Cigarette smoking and environmental chemicals

Tobacco smoke and certain environmental chemicals are known carcinogens (substances that can cause cancer in living tissue). The tobacco smoke from cigarette smoking contains harmful chemicals such as hydrogen cyanide, arsenic, ammonia, benzene, and many more. In fact, from 2009 to 2013, three out of 10 cancer deaths in the U.S have been attributed to cigarette smoking or exposure to tobacco smoke.

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3 years ago

Pain-sensitive neurons (called nociceptors) conduct action potentials from the skin or teeth to sites in the brain involved in p

marusya05 [52]

Answer:

In the gums

Explanation:

Lidocaine is a compound which can be used as a local anaesthetic. This anaesthesia works by blocking the voltage-gated channels which allows the influx of the sodium ions. As the sodium ions do not enter therefore an action potential is not generated in the axons as a result of which no pain is felt in the area.

In the given since the lidocaine is used by the dentist therefore the dentist in order to treat some dental problem must inject the lidocaine in the gums where the sensory receptors of the teeth are present.

Thus, in the gums is the correct answer.

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3 years ago

The citric acid is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. There are eight enzymes

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Answer:

1.(a ) alpha-ketoglutarate dehydrogenase

(c) malate dehydrogenase

(d) isocitrate dehydrogenase

2. b. isocitrate dehydrogenase d. alpha-ketoglutarate dehydrogenase

3. b. citrate synthase (c) succinyl-CoA synthesase

4. b. alpha-ketoglutarate dehydrogenase c. citrate synthase d. malate dehydrogenase

5. a. aconitase

Explanation:

The citric acid cycle is responsible for the oxidation of acetyl-CoA produced from pyruvate from glycolysis. The citric acid cycle has eight steps requiring nine enzymatic reactions involving eight enzymes.

The enzymes in the citric acid cycle are: citrate synthase , aconitase, isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase , succinyl-CoA synthesase, succinate dehydrogenase , fumarase , and malate dehydrogenase .

1. The dehydrogenation reactions of isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase , and malate dehydrogenase produces NADH from isocitrate, alpha-ketoglutarate and malate respectively.

2. Oxidative decorboxylation (removal of carbon as CO₂) also occurs in the reactions of isocitrate dehydrogenase and alpha-ketoglutarate dehydrogenase to produce alpha-ketoglutarate and succinyl-CoA respectively.

3. Coenzyme-A (CoA-SH) is produced in the reactions of citrate synthase and succinyl-CoA sythetase to produce citrate and succinate respectively.

4. The enzymes alpha-ketoglutarate dehydrogenase has alpha-ketoglutarate as substrate , whereas citrate synthase and malate dehydrogenase has oxaloacetate as substrate. These substrates are alpha-keto acids.

5. Aconitase catalyzes the conversion of citrate to isocitrate by first a dehydration and then a hydration reaction.

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4 years ago