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Vesna [10]
3 years ago
15

Write extensively the 3 main constituent of DNA​

Biology
1 answer:
stellarik [79]3 years ago
4 0

Answer:

A single nucleotide is made up of three components: a nitrogen-containing base, a five-carbon sugar, and a phosphate group. The nitrogenous base is either a purine or a pyrimidine. The five-carbon sugar is either a ribose (in RNA) or a deoxyribose (in DNA) molecule.

Explanation:

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A scientist isolated a molecule with nucleotide bases A, C, G, and U and ribose sugars. What is it?
gogolik [260]

Answer:

The Answer is RNA.

Explanation:

Because RNA consists of four nitrogenous bases: adenine, cytosine, uracil, and guanine.  I am 100% sure that is the answer if it's wrong, very sorry.

7 0
3 years ago
Why isn't exponential population of growth realistic ?
oee [108]
Because there will eventual reach a point where the food or some other necessity runs out and instead of growth continuing, it stays at relatively constant.
8 0
3 years ago
1)In your own words explain what air pollution is
Anna11 [10]

Explanation:

Question 1

Air pollution is the introduction of harmful gases and substances into the atmosphere that renders it unfit for use for life. Some of these toxic gases and particulates are:

  • Carbon monoxide
  • Carbon dioxide
  • Nitrogen oxides
  • Smoke
  • Dust particles
  • Soot

Question 2

Natural forms are the original nature or outlook of a substance. Examples of natural forms are:

  • Flowers
  • Leaves
  • Animals
  • Rocks
  • Shells
  • Corals

Question 3

Anthropogenic cause of pollution are human causes of pollution. Some of these are:

  • Combustion of fossil fuels in internal combustion engines release harmful and toxic gases into the atmosphere and causes hair pollution.
  • Improper disposal of waste can produce effluent that reaches the ground water system and other fresh water sources.
  • Noise pollution from airports is very harmful to ear.
  • Mining activities degrades soil and removes rich fertile soils that should be used for agriculture.
  • Mining wastes can lead to contamination of water bodies around.

Question 4

Fossil fuels are fuel types that forms from natural process in which organisms are decomposed anaerobically to preserve their energy components. Some of these fuels are:

  • Coal
  • Crude oil
  • Natural gas

Question 5

  • Heart diseases ; ischaemic heart diseases can lead to failure of the heart when it does not receive enough oxygen from the environment. Air pollution contaminates available oxygen in the atmosphere and this is very dangerous to life.
  • Lung cancer: poor air quality can lead to the development of cancerous tumor in the lungs.
  • Asthma: air pollution is one of the leading cause of asthma.

Other notable mentions are bronchitis, pulmonary diseases, stroke

Question 6

_7 million____ people die each year from air pollution according to the world health organization

Question 7

Air Quality Index(AQI) is an indicator used to express the quality of air in particular area. The AQI can tell the present air quality condition. It can also be used to forecast future air quality in years to come.

It shows how clean and polluted the air is.

Question 8

The air quality index uses different colors to alert people about the quality of air. Each color represents different health implication of air quality:

     Attached image shows the different colors used to alert people of about the air quality.

Question 9

  • About 7 million people die annually as a result of air pollution
  • Beijing cough is new disease that emanates from the rising air pollution in Beijing
  • Asia has the fastest rising cases of air pollution problems.
  • The best way to reduce air pollution is by riding bicycles and walking more.

Learn more:

Air pollution brainly.com/question/10743354

#learnwithBrainly

3 0
3 years ago
Which characteristic contributes MOST to the survival of the different birds on the islands?
Roman55 [17]
The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
3 0
3 years ago
An aquarium for tropical fish must maintain a warm temperature. How would a decrease in temperature affect the fish in the aquar
Wittaler [7]

Answer: hope this helps

Explanation: C

WOOOAH

6 0
3 years ago
Read 2 more answers
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