Which of the following is false regarding plasma membranes?
A) They contain two layers of phospholipids.
B) They contain cholesterol, carbohydrates, and proteins.
C) Their phospholipids have a round head and one tail.
D) Cholesterol and phospholipids are essential.
C) Their phospholipids have a round head and one tail.
Regarding plasma membranes, their phospholipids do NOT have a round head and one tail. While their heads are round and contain the phosphate, they have two tails, which are long-chain hydrocarbons. Other substances embedded in the membrane include cholesterol, carbohydrates, and proteins.
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26. After the judge gives the jury instructions, they retreat to the jury room where they discuss the case, __________ and come up with a verdict
Fill in the blank(s) with the appropriate word(s).
In response to the Elixir Sulfanilamide tragedy, the FDA ____
A) sought initiation of a criminal proceeding against the head of Massengill B) brought a civil action imposing substantial civil penalties against Massengill C) relied on private whistleblowers to file suit against Massengill D) imposed a fine against Massengill for mislabeling the product as an elixir, as it contained no alcohol
When compared to single-phase electrical current, three-phase power
a. permits shorter exposures. b. produces 360 pulses per second. c. produces less voltage ripple. d. all of the above
All of the following are examples of High Osmolar contrast material except_______.
A. iothalamate B. diatrizoate C. metrizoate D. ioversol