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olchik [2.2K]
3 years ago
10

Why was DNA created and what makes up DNA

Biology
1 answer:
leva [86]3 years ago
7 0
DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
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What are the advantages of deforestation on rivers?
allsm [11]

Answer:

Forestry and hydrology studies have concluded that forest loss decreases the amount of precipitation that infiltrates the soil and increases the runoff volumes of streams and rivers. However, these findings do not reflect how the increase in runoff due to deforestation affects human access to clean water.

3 0
3 years ago
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Apa manfaat yang kamu peroleh dengan mencintai lingkungan sekitarmu<br>​
Scilla [17]

Answer:

Manfaat menjaga kebersihan lingkungan antara lain: Terhindar dari penyakit yang disebabkan lingkungan yang tidak sehat. Lingkungan menjadi lebih sejuk. Bebas dari polusi udara

3 0
3 years ago
Kaylee's experience of pain during a demanding physical exercise routine was intensified when she noticed that other exercise pa
Bess [88]

This best illustrates that the experience of pain is influenced by top-down processing.

Top-down processing is a level of a perceptual system which is based on how the brain utilizes information that has already been conveyed into the brain by one or more of the sensory systems (vision, touch, or hearing). Top-down processing begins with thoughts which move down to lower-level of the perceptual system such as the senses. With top-down processing, an individual’s experience of pain may be increased when he is aware that others are experiencing pain.


6 0
4 years ago
The graphic shows a diagram of a carbon cycle that a student drew.
alina1380 [7]

The mistake made by the student is that animals do not release carbon dioxide into the atmosphere during respiration.

<h3>Carbon cycle</h3>

The carbon cycle is a cycle which describes the process in which carbon atoms are continually recycled between the atmosphere and the earth.

<h3>Processes that release carbon into the atmosphere include:</h3>

  • respiration
  • burning of fuels and wood
  • emission from vehicles and industries
  • death and decay of living organisms

<h3>Processes that remove carbon from the atmosphere include:</h3>

  • photosynthesis
  • uptake by oceans
  • incorporation of carbon into animal shells

Therefore, the mistake made by the student is that animals do not release carbon dioxide into the atmosphere during respiration.

Learn more about carbon cycle at: brainly.com/question/24293689

5 0
3 years ago
How does a whale-fall community affect ocean sediment?
Sonbull [250]
When a whale dies it sinks to the ocean floor, and it's carcass is known as whale-fall. As the whale's carcass lies on the ocean floor, it's organic fragments enrich the sediment. 

I hope this helped :D 
7 0
3 years ago
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