Multiple Choice
Which of the following graphs best represents a sigmoidal (S-shaped) curve commonly observed in biological processes such as enzyme kinetics or population growth?
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1. Introduction to Biology
Introduction to Biology
Multiple Choice
Which of the following is a primary function of calcium in the human diet?
A
Production of bile in the liver
B
Regulation of blood glucose levels
C
Formation and maintenance of bones and teeth
D
Synthesis of genetic material
Verified step by step guidance1
Understand the role of calcium in the human body: Calcium is a mineral essential for various physiological processes, including the formation and maintenance of bones and teeth, muscle contraction, nerve signaling, and blood clotting.
Eliminate incorrect options: Calcium is not involved in the production of bile in the liver, as bile production is primarily related to cholesterol metabolism and liver function.
Eliminate another incorrect option: Calcium does not regulate blood glucose levels. Blood glucose regulation is primarily controlled by hormones like insulin and glucagon.
Consider the correct option: Calcium is a key component of hydroxyapatite, a mineral that provides strength and structure to bones and teeth. This is its primary function in the human diet.
Verify the last option: Calcium is not directly involved in the synthesis of genetic material, as this process primarily involves nucleotides, enzymes, and other molecules.
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