What two forces control the movement of fluid through the capillary wall?
A. the oxygen and nitrogen concentration
B. the thickness of the capillary wall and the number of cilia
C. blood pressure and osmotic pressure
D. the number of veins and arteries
Answer: C
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Luke sprained his ankle, tearing some of the collagen protein that forms his ligaments. Some types of collagen consist of three polypeptide chains twisted together to form a rope-like strand. What level of protein structure does this rope-like strand represent?
A. Quaternary B. Secondary C. Primary D. Tertiary
Who promoted the idea that some diseases, especially chronic diseases, have a multifactorial etiology
a. William Farr b. William Farrell c. Thomas Edison d. William Smith
What happens to the packaged DNA of a specialized transduced phage when it infects a new recipient cell?
a. The DNA is chewed up by enzymes found in the recipient cell. b. The host DNA integrates, with the prophage, into the new recipient chromosome. c. The DNA begins to replicate without integrating into the host chromosome.
Which function is most likely controlled primarily by the gray-matter centers in the brain stem?
a. vomiting b. learning c. patellar tendon reflex d. writing
e. pain recognition