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Alisiya [41]
3 years ago
11

How do plant and animal cells use food?

Biology
1 answer:
Flauer [41]3 years ago
4 0

Answer:

They use food to gain energy they need to do what they do everyday

Explanation:

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Blanching works to keep vegetables crisp and green when cooked because
ruslelena [56]

Answer:

a. PPOs are denatured at high temperature

Explanation:

Polyphenol oxidase, PPO, is one of the most studied enzymes in the food industry as it is responsible for enzymatic browning reactions in fruits and vegetables. One of the reasons why its study is important is because commercially it is undesirable, since it modifies the sensory, nutritional and in general quality properties that impair the commercialization of a product.

The importance of controlling polyphenol oxidase is that it largely determines the quality and economic value of fruits and vegetables harvested, stored and processed. Bruising, chopping and other mechanical procedures damage the walls of fruits and vegetables which allows oxygen to penetrate, resulting in darkening or enzymatic browning reactions.

Enzymatic browning can be controlled through the use of chemical and physical methods, often used in combination. The commonly used physical methods are the reduction of temperature, oxygen and the use of modified atmospheres or coating films. The use of chemical methods will depend on what you want to inhibit, be it the enzyme, the substrate (oxygen or phenolic compounds) or the products.

5 0
3 years ago
Why do living things sleep
Tju [1.3M]
There are many theories about why living thins sleep, however, scientists are still unsure about what the answer to this question may be. Some say it is because of its restorative powers - after a good night's sleep, you feel rested, and all your brain and bodily functions work better than when you are exhausted. During sleep, some rejuvenating and growth hormones are created, which again adds to our advantage. You also relieve stress that has accumulated during the day. These are some of the reasons why we have to sleep. 
7 0
3 years ago
How are mid-ocean ridges and subduction zones responsible for creating and destroying the sea floor?
Vladimir [108]

Answer:

waves hit the rocks and damage the outer layer of the rocks

8 0
3 years ago
I really need help to catch up in my Biology class!
ivanzaharov [21]
A pedigree<span> is a diagram showing genetic relationships between members of a family. It is used to analyze patterns of inheritance for specific genetic traits.

i'm not sure how to help you with the other part of the question</span>
8 0
4 years ago
In the early 20th century, there was significant debate about what molecules were the hereditary material in living cells. Choos
never [62]

1. Griffith in his experiment used two related strains of bacteria (Streptococcus pneumonia), known as R and S and mice, trying to develop a vaccine against pneumonia. R strain-formed nonvirulent, rough-edged colonies  

S strain- rounded and smooth colonies, with sugar protection coat, virulent

Mice that were injected with S strain developed pneumonia and died.

But, when mice were injected with heat-killed S strain it did not cause disease in mice.

The next part of experiment is the injection of combined harmless R bacteria with harmless heat-killed S bacteria. The result was that the mouse developed pnenumonia and in blood sample from the dead mouse, living S bacteria were found.

2. From his experiment, Griffith concluded that injected together, R strain and S strain bacteria most likely “communicate”. The R-strain bacteria took "transforming principle" (we know today that this is genetic material DNA) from the heat-killed S bacteria which allowed them to "transform" into virulent bacteria.

8 0
3 years ago
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