Megakaryocytes are specialized cells of the bone marrow responsible for:
engulfing invading bacteria
production of scar tissue in an injured area
formation of platelets
specific immune responses
All of the choices are correct
formation of platelets
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What is the most distinguishing characteristic of muscle tissue?
A) the design of the fibers B) the sarcoplasmic reticulum C) the diversity of activity of muscle tissue D) the ability to transform chemical energy into mechanical energy
Answer the following statements true (T) or false (F)
1. Both growth hormone and epinephrine increase the blood concentration of glucose. 2. Like carbohydrates, fats are primarily energy foods. 3. When the body uses fats for energy, it converts them to a form of glucose and puts them through glycolysis. 4. People with diabetes mellitus burn much more glucose than they do fats. 5. The result of fat anabolism is adipose tissue.
Interleukins are chemical signals by which immune cells communicate with each other
Indicate whether the statement is true or false
Looking at a slide of thin skin under the microscope, you note that the stratum basale is the ________ layer of the epidermis in from the surface
A) fourth B) fifth C) second D) third E) first