What property of phospholipids makes them suitable for the formation of the double layer found in membranes?
A. They have both a hydrophobic and a hydrophilic end.
B. They are uncharged.
C. They can interact with proteins.
D. They serve as an attachment site for carbohydrates.
E. They are composed of fatty acids.
Answer: A
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a. muscle fibers; actin filaments b. myofilaments; sarcomeres c. sarcomeres; Z lines d. actin filaments; myosin filaments e. myosin filaments; actin filaments
Bile salts surround the end-products of fat digestion to form ____
a. micelles b. triglycerides c. cholesterol d. bilirubin e. lipoproteins
Even when a natural ecosystem is not completely destroyed, it may become broken into small pieces. This is known as
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Edward Jenner was the physician who first used cowpox to vaccinate individuals against smallpox
Indicate whether the statement is true or false