An extreme increase in which of the following molecules circulating in the blood can disrupt homeostasis and give rise to hyperglycemia, diabetic ketoacidosis, and diabetes mellitus? A. Glucagon
B. Glucose
C. Hemoglobin
D. Glycogen

What is turgor pressure, what causes it, and what does it do for a plant?

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.