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nadya68 [22]
3 years ago
9

A dna molecule that is produced by combing dna from different sources or organisms is called

Biology
1 answer:
kompoz [17]3 years ago
8 0
Recombinant DNA is the answer
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What are the nitrates is used to make?
stiv31 [10]

Answer:

fertilizers

Explanation:

Plants use nitrates as a supply of nitrogen, which is needed to make proteins for healthy growth. Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces.

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2 years ago
Most of the energy that your brain uses comes from
evablogger [386]

Answer:

Glucose

Explanation:

The brain is an energy-hungry organ. Despite comprising only 2 percent of the body’s weight, the brain gobbles up more than 20 percent of daily energy intake. Because the brain demands such high amounts of energy, the foods we consume greatly affect brain function, including everything from learning and memory to emotions.

Just like other cells in the body, brain cells use a form of sugar called glucose to fuel cellular activities. This energy comes from the foods we consume daily and is regularly delivered to brain cells (called neurons) through the blood.  

Studies suggest the quality of the foods consumed over a lifetime affects the structure and function of the brain. For instance, the consumption of omega-3 fatty acids found in fish provides structural material to maintain neurons. Studies also suggest omega-3 fatty acids are essential for the transmission of information between brain cells. In contrast, foods that are rich in sugars and saturated fats have been found to promote oxidative stress, which leads to damage to cell membranes.  

The food you eat also affects molecules in the brain that support cognition. Some foods, such as those with turmeric, support cognition by helping to maintain molecular events related to energy metabolism.

Recent studies suggest lifestyle choices that affect the metabolism of nerve cells, such as diet and exercise, may in some cases provide a non-invasive and effective strategy to counteract neurological and cognitive disorders.

6 0
2 years ago
The average number of individuals of the same species per unit of area or volume at a given time is the
BabaBlast [244]
Huhhhhhhhhhhhhhhhhhhhhhhhh
3 0
2 years ago
Enter the degree of the polynomial below.<br>6x6+9х3 + 3х2 - 4х10 - 9х5 – 5б<br>​
vichka [17]

The answer is... -72

6 0
3 years ago
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How does collecting natural gas effect the environment?
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Air pollution. Cleaner burning than other fossil fuels, the combustion of natural gas<span> produces negligible amounts of sulfur, mercury, and particulates. Burning</span>natural gas does<span> produce nitrogen oxides (NOx), which are precursors to smog, but at lower levels than gasoline and diesel used for motor vehicles.</span>
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3 years ago
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