The average menstrual cycle is about ____ days long; ovulation occurs on about day ____
A. 30; 24
B. 28; 14
C. 24; 14
D. 20; 10
E. 32; 16
B
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Farhad begins typing his term paper on his new computer early one morning. After 8 hours of typing, he notices that his wrists are stiff and very sore
The next morning, Farhad begins to finish his paper, but soon finds his wrists hurt worse than last night. What is wrong? What will be an ideal response
Which of the following results in muscle relaxation?
a. addition of magnesium to muscle cells. b. AChE activity. c. return of calcium to lateral sacs. d. sliding together of thick and thin filaments. e. two of these answers.
At what sties in the body are fenestrated capillaries located?
A) Fenestrated capillaries are located central nervous system. B) Fenestrated capillaries are located in the thymus. C) Fenestrated capillaries are located in the liver and bone marrow. D) Fenestrated capillaries are located in endocrine glands, the choroid plexus of the brain, absorptive areas of the intestine, and filtration areas of the kidneys. E) Fenestrated capillaries are located in the pituitary gland, bone marrow, and spleen.
Most transmembrane proteins have ________ regions facing the intra- and extracellular fluid, and ________ regions embedded in the phospholipid bilayer
A) hydrophobic; hydrophilic B) lipophilic; lipophobic C) hydrophilic; hydrophilic D) hydrophobic; hydrophobic E) hydrophilic; hydrophobic