43. With a family history of cardiovascular disease, which toast spread would be

Question

43. With a family history of cardiovascular disease, which toast spread would be considered the most "heart healthy?" a. margarine containing saturated fats b. lard (pig fat) c. butter containing butterfat d. olive oil 44. In areas of the lung exposed to the external environment and microorganisms, which transport process is prevalent? a. receptor-mediated endocytosis b. pinocytosis d. diffusiorn 45. Insulin enters cells via b. pinocytosis c. phagocytosis d. diffusion 46. Which of the following is incorrect regarding the plasma membrane? a. It is permeable to estrogen. b. It is impermeable to Oz and CO2 c. It acts as a site of cell-to-cell interaction and recognition. d. It is made of a phospholipid bilayer. 47. Which of the following is correct regarding the cell resting membrane potential? a. Intracellular Na+ levels are high. b. Cells are more permeable to Na+ than K+. c. The steady state involves only active processes in all cells. d. The inside of the cell is negative relative to its outside. 48. Which of the following is incorrect regarding second messengers? a. They include cAMP and calcium. b. They function as protein kinases. c. They act on downstream effectors and amplity signals. d. They are generated by activation of G-protein coupled receptors. 49. Which of the following would not be restricted (limited) by low levels of ATP? a. receptor-mediated endocytosis b. exocytosis c. aquaporin-mediated water transport d. amino acid transport against a concentration gradient 50. If you smell your classmate's perfume, you are experiencing a. simple diffusion b. facilitated diffusion c. osmosis d. Valentine's treat

Explanation / Answer

43. D. Olive oil.

Olive oil is rich in unsaturated fatty acids and such oils reduce the chances of cardumiovascular diseases from atherosclerosis or atherosclerosis.

44. C. Phagocytosis.

45. A. Receptor mediated endocytosis.

Insulin is transported by the process of receptor mediated endocytosis

46. B. It is impermeable to O2 and CO2.

Plasma membrane is permeable to gases like O2 and CO2.

47. D. The inside of the cell is negative relative to outside.

The negative value refers that there is excess negative charge inside than outside.

48. B. They function as protein kinases.

50. A. Simple diffusion.

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