Use the key to choose the best answer.A. First item is greater than the second item.B. First item is less than the second item.C. First item is equal or nearly equal to the second item.(1) pH in the stomach during digestion(2) pH in the duodenum during digestion
Fill in the blank(s) with the appropriate word(s).
Answer: B
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The coils of nucleosomes found in non-dividing cells are called
A) nucleoplasms. B) chromatin. C) histones. D) ribosomes. E) nucleoli.
Trace elements such as zinc and manganese are found in minute quantities in the body but do not serve any known function.
Answer the following statement true (T) or false (F)
Describe the functional groups that are considered acidic or basic
A) An amino group acts as a base because it can accept hydrogen ions, and a carboxyl group acts as an acid because it releases a hydrogen ion. B) An amino group acts as a base because it releases a hydrogen ion, and a carboxyl group acts as an acid because it can accept hydrogen ions. C) A phosphate group acts as a base because it can accept hydrogen ions, and a hydroxyl group acts as an acid because it releases a hydrogen ion. D) A phosphate group acts as an acid because it can accept hydrogen ions, and a hydroxyl group acts as a base because it releases a hydrogen ion. E) Phosphate groups can act as an acid or a base depending on the pH of the surrounding solution.
The ________ regulates the flow of contents from the stomach to the duodenum
A) gastric rugae B) cardiac region C) fundic region D) pyloric sphincter E) antrum