Using the preceding image, determine the correct sequence of events in the primary process, which begins when target molecules (ligands) bind to receptors in the plasma membrane. 1. Target molecules are removed and absorbed into the cytoplasm. 2. The membrane containing the receptor molecules detaches from the lysosome. 3. Pockets pinch off, forming coated vesicles. 4. Areas coated with ligands form deep pockets in the membrane surface. 5. The vesicle fuses with the plasma membrane. 6. Coated vesicles fuse with lysosomes.
A) 4, 6, 1, 2, 3, 5
B) 4, 1, 3, 6, 5, 2
C) 4, 3, 6, 1, 2, 5
D) 1, 2, 4, 3, 6, 5
E) 1, 4, 3, 2, 5, 6
C) 4, 3, 6, 1, 2, 5
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Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
1. The respiratory membrane lines most of the air distribution tubes in the respiratory system. 2. The respiratory membrane separates the air in the alveoli from the blood in the vessels. 3. The mucous blanket helps to purify the air as it enters the lung. 4. The cilia lining the air distribution tubes beat downward to help move air into the lung. 5. The cilia lining the air distribution tubes beat upward to help move the trapped debris to the pharynx.
Which of the passive transport processes requires hydrostatic pressure to transport molecules across membranes in the body?
A. Filtration B. Facilitated diffusion C. Pinocytosis D. Diffusion E. Osmosis
Consider the following chart of laboratory test results of four patients:?Red Cell CountHemoglobinHematocritWhite Cell CountPlatelet CountPatient A10 million/mm320g64%7,000/mm3300,000/mm3Patient B4.8 million/mm315 g45%7,500/mm3150,000/mm3Patient C3.2 million/mm38.2g34%6,500/mm3350,000/mm3Patient D5.1 million/mm314.2g48%15,200/mm3300,000/mm3?Which of the patients has some type of infection?
Fill in the blank(s) with the appropriate word(s).