<span>Purines and pyrimidines form hydrogen bonds between each other. Certain polar chemical groups form electrostatic interactions or hydrogen bonds. The A-T and C-G pairings form the hydrogen bonds between the amine and carbonyl groups on the complementary bases.</span>
When an individual takes a breath, air passes through the trachea.
Air must pass through the larynx.
The exchange of oxygen and carbon dioxide is assisted by the lungs.
<h3>
What is respiration?</h3>
Respiration is the process by which gaseous exchange occurs between the body and the external environment.
The process of respiration consists of two processes:
- Inspiration - taking in air or oxygen
- Expiration - breathing out carbon dioxide
When an individual takes a breath, air passes through the trachea.
Air must pass through the larynx.
The exchange of oxygen and carbon dioxide is assisted by the lungs.
In conclusion, during respiration, air passes through the organs of the respiratory system.
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#SPJ1
The difference in ideas is the main reason for the conflict between matric learners and their peers.
<h3>Reason for interpersonal conflict</h3>
Difference in ideology about an topic is the one reason matric learners are more likely to experience interpersonal conflict with their peers because every individual or a person thinks differently from one another which leads to the conflict of ideas with one another.
Peers also experience conflict with one another during competition for getting good grades as well as in sports so we can conclude that difference in ideas is the main reason for the conflict between matric learners and their peers.
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TJ must follow the exercise principle of specificity.
<span>
Specificity is a principle in training that
generally requires a person to shift types of exercises in a workout that would
be relevant to the fitness goal of an individual. The training should be aimed
in developing specific areas that a person wants to improve on. If for example
you want to improve cardiovascular endurance, you should be involved in aerobic
activities like running. If you want to build muscles and get good toning, the
specific exercise should be weight training.
It is an important principle in exercise that should always be taken into
consideration to attain fitness goals.</span>
The answer is mental health