An organism that produces disease is known as a(n) ________
A) Pathogen B) Organelle C) Centriole D) Magnetosome
A
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Which of the following statements about the respiratory membrane is true?
a. the membrane consists of the fusion of the simple squamous epithelia of an alveolus with the endothelium of a pulmonary capillary b. the membrane is very thin, approximately 0.5 micrometers c. oxygen and carbon dioxide diffuse quickly because of the large surface area of the respiratory membrane d. all of the listed statements are true
A woman has her right breast and right axillary lymph nodes removed. Which of the following might occur?
A. Right lymphatic duct drainage decreases causing edema in the right arm. B. The thoracic duct would be severed. C. Lymph drainage would be affected in both legs. D. Cisterna chyli flow increases. E. Lymph drainage would be affected in her left arm.
Why can lipogenesis use almost any organic substrate?
a. lipids, amino acids, and carbohydrates can be converted to acetyl-CoA b. triglycerides are the most abundant lipids in the body c. lipids can be converted and channeled directly into the Krebs cycle d. lipid molecules contain carbon, hydrogen, and oxygen
Complement facilitates inflammation by activating basophils and mast cells and by attracting macrophages and neutrophils.
Answer the following statement true (T) or false (F)