Define mixture and then distinguish between the three types of mixtures called solutions, colloids and suspensions
What will be an ideal response?
A mixture is a combination of elements or compounds that are physically blended together but not bound by chemical bonds. A solution is a mixture where the solutes are evenly dispersed among the solvent molecules. Solutions have a clear appearance. Colloids are like solutions except the solutes are big enough to scatter light. A colloid appears translucent or opaque. Suspensions are mixtures where the suspended material will eventually settle out.
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Which of the following refers to the dense connective tissue that surrounds a muscle and blends with the tendon?
A) superficial fascia B) hypodermis C) deep fascia D) subserous fascia E) subcutaneous layer
Water reabsorption is under the control of vasopressin
a. along the entire length of the nephron b. only in the loop of Henle c. only in the distal and collecting tubules d. only in the proximal tubule e. only in the glomerulus
Most of the H+ excreted in the urine is bound to bicarbonate ion
Indicate whether the statement is true or false.
The motor neurons that innervate the normal contractile fibers of the muscle are the ________.
Fill in the blank(s) with the appropriate word(s).