Tachycardia is a condition when the heart rate is greater than 100 beats per min at rest. The electrocardiogram is a diagnostic tool that measures and records the electrical activity of the heart. Bradycardia on the other hand is when the heart rate is slower than normal. The Tachycardia and bradycardia can arise from either the SA node or from other areas of the cardiac.
A _____ arrow provides a visual clue to the relationship between two cells by pointing from the precedent cell to the dependent cell. The correct answer is Tracer. <span>By using this, it is easier to check the
accuracy of the formulas or the source of the errors, if there’s any.</span>
Answer:
DNA.
Explanation:
Chromosones use a molecule called DNA to carry genetic information. A DNA exists in a cell's nucleus within structures named chromosones.
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The answer is (A) stabilizing selection. Stabilizing selection favors the average in a population. In this case, babies that are born at a normal body weight, or an average between the two extremes of underweight and large, tend to have more favorable outcomes.
The mutation<span> caused by the addition of a nucleotide to an already existing gene sequence is duplication.</span>