Which of the following is NOT a structural component of the nucleus?
A) nuclear envelope
B) nucleolus
C) Golgi apparatus
D) chromatin
E) nuclear pores
C
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When the pH of the ECF decreases, K+ starts to move from the
A. ECF to the ICF. B. ICF to the ECF.
The membrane covering the lungs is called the:
a. visceral pleura b. visceral peritoneum c. parietal pleura d. parietal peritoneum
What is the lymphatic function of the white pulp of the spleen?
a. phagocytosis of abnormal cell components b. release of splenic hormones into lymphatic vessels c. to degrade foreign proteins and toxins released by bacteria d. initiation of immune responses by B cells and T cells
Which of the following are involved in the regulation of cross bridge attachment activity?
a. calcium ions b. troponin c. tropomyosin d. all of the above e. only b and c