Answer:
E. is the correct answer
Explanation:
C. An increase in A produces an increase in X.
This statement can be directly concluded from the description of the effects of hormone A on the activity of X in the problem.
A. An increase in X produces an increase in A
This statement can be concluded from the fact that A and X work in a positive feedback mechanism.
In a positive feedback mechanism, a stimulus produces a response (secretion of hormone A) which has an effect (increase in X) that increases the original stimulus. A cycle is created, in which secretion of A causes an increase of X, and the increase of X causes an increased secretion of A.
<u>To shut off the positive feedback cycle, an outside factor is required.</u>
The Academy of Nutrition and Dietetics (Academy) is the largest association of qualified nutrition and dietetics practitioners, including registered dietitian nutritionists (RDNs), nutrition and dietetic technologists, and registered dietitians (NDTRs).
RDNs combine research, professional growth, and practice to promote innovation and discovery, work with others to address today's and tomorrow's most pressing food and nutrition issues, concentrate on systemic effects across the food, wellness, and health sectors, have a global impact on the eradication of all forms of malnutrition, and strengthen the role of nutrition and dietetics practitioners while increasing workforce capacity and capability. The minimal competent level of nutrition and dietetics practice and professional performance for RDNs is reflected in these standards.
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Explanation:
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During contraction of heart muscle cells C) some calcium enters the cell from the extracellular space and triggers the release of larger amounts of calcium
Answer:
545
Explanation:
60pounds is 27kgs so 20*27=545mg
