Primary Succession takes longer to recover from.
The basis upon which the practice of pseudo science is built is on that of logical reasoning.
<h3>What is Pseudo science?</h3>
The term Pseudo science is used to describe any explanation that lack the simple basis of empiricism. In other words, it is not based on evidence.
The basis upon which the practice of pseudo science is built is on that of logical reasoning.
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Answer: the influence on skill- related fitness that cannot be applied or changed to improve fitness levels is the heredity. Option A
Explanation:
Skill- related fitness involves training to improve speed, agility, balance, coordination, power and reaction time. Heredity is one factor that influence your skill related fitness. Speed and reaction time are often influenced by inherited characteristics. Some people are naturally good in athletics.
Answer:
If a DNA strand has 17% Thymine (T) the percentage of the other nitrogenous bases will be 33% of Guanine (G), 33% of Cytosine (C) and 17% of Adenine (A), according to Chargaff's law.
Explanation:
The percentage of nitrogenous bass in a DNA strand can be established by knowing the percentage of one of the bases present in the molecule, in this case knowing that Thymine corresponds to 17% of bases.
DNA has the nitrogenous bases adenine (A), guanine (G), thymine (T) and cytosine (C). The bases of one chain are matched with the bases of another, according to the complementarity of the nitrogenous bases, where:
- <em>Adenine is complemented with thymine A=T</em>
- <em>Guanine is complemented by cytosine G≡C</em>
According to this, DNA molecule there is as much T as A, and an equal amount of G and C, and the percentages of nitrogenous bases can be calculated according to Chargaff's rule.
Chargaff deduced that<u> in a DNA molecule the ratio of purine:pyrimidine is 1:1, so there must be the same amount of thymine as adenine and a similar amount of guanine for the cytosine</u>, according to the complementarity of the bases.
Calculating the percentages, according to the law of the base pair, if in a DNA chain there is 17% of T, in the molecule there is:
- <em>A = 17 %</em>
- <em>C = 33%</em>
- <em>T = 17%</em>
- <u><em>G = 33%</em></u>
- <em>Total ..... 100%</em>