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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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Diano4ka-milaya [45]

Answer:

Alfred Russel Wallace was born in 1823 in Wales. He has been variously described as a naturalist, a geographer, and a social critic. He even chimed in on the debate over whether life could exist on Mars. His work on the theory of natural selection, however, is what he is best known for. During the second half of the nineteenth century, he became a public figure in England, known for his courageous views on scientific, social, and spiritualist subjects. His formulation of the theory of evolution by natural selection, which predated Charles Darwin's published contributions, is his most notable legacy, but it was only one of many contentious issues he studied and wrote about during his lifetime.

5 0
3 years ago
Suggest why a baby born without any mitochondria will have difficulties growing
zheka24 [161]

Answer:

or our bodies the conversion from food energy to ATP happens in mitochondria. If your mitochondria are not working properly then you are less able to convert food into ATP. For cells that require a lot of ATP, for example your muscles, this is a problem and they may become weaker and get tired faster.

Explanation:

4 0
3 years ago
25. A post-doctoral research student is working with a culture of bacteria that doubles in size every 72 hours. The initial popu
ale4655 [162]

Answer:

P=750 e^{0.00963t}

The population size would be 753,190 after 30 days

Explanation:

Since, the population growth function is,

P = P_0 e^{rt}

According to the question,

if t = 0, P = 750,

\implies 750 = P_0 e^0\implies P_0 = 750

Also, if t = 72, P = 1500,

\implies 1500 = P_0 e^{72r}\implies 1500 = 750 e^{72r}\implies 2 = e^{72r}\implies \ln 2 = 72r\implies r = \frac{\ln 2}{72}\approx 0.00963

Hence, the required function would be,

P=750 e^{0.00963t}

If t = 720 hours  ( 30 days = 720 hours ),

Then, the population after 30 days would be,

P=750 e^{0.00963\times 720}=750 e^{6.912}=753190.30695\approx 753190

6 0
3 years ago
An inherited characteristic that gives an organism an advantage
kherson [118]
Natural selection: organisms with certain inherited traits that are more likely to survive and reproduce than others.

These favorable traits can give an organism an advantage by giving them a higher chance of survival and reproduction. Darwin called this, "survival of the fittest"
5 0
4 years ago
Explain what is meant by the semiconservatove model of DNA replication
inna [77]
     Semiconservative replication<span> would produce two copies that each contained one of the original strands and one new strand. Conservative </span>replication<span> would leave the two original template </span>DNA<span> strands together in a double helix and would produce a copy composed of two new strands containing all of the new </span>DNA<span> base pairs.</span>
8 0
4 years ago
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