MID-TERM EXAMINATION This is arn Si e uom o cokies haking in the kitchen reaches

Question

MID-TERM EXAMINATION This is arn Si e uom o cokies haking in the kitchen reaches you in the living room. The distribution of this odor A. active transport. B. dialysis. C. osmosis. D. filtration. E. diffusion 6. A term that means "toward the attached end of a limb" is A. medial. B. lateral. C. superficial. D. distal. E. proximal. 7. The three types of protein fibers found in connective tissue are A. hyaluronic acid, collagen, and reticular fibers. B. proteoglycan, elastin, and reticular fibers. C. collagen, elastin, and reticular fibers. D. proteoglycan, elastin, and hyaluronic acid. 8. Cephalic means A. toward the middle or midline of the body. B. away from the surface C. closer to the head. D. closer than another structure to the point of attachment to the trunk. E. toward the back of the body. 9. Which of the following is NOT consistent with active transport? A. movement is against a concentration gradient B. movement is with a concentration gradient C. involves a carrier D. exhibits competition and saturation E. uses cell energy

Explanation / Answer

5. Diffusion is a process in which movement is along the conc. gradient i.e. High to low conc.

6. Proximal end is end towards the limb is attached.

7. Collegen, Elastin and reticular fibres are the proteins present in the connective tissue. Elastin is protein released by elastic fibres, Collegen appears as eosinophilic wavy fibre of 2-10 micron meter. reticulate fibres are arranged in branching pattern.

8. Cephalic means the position or location in the body Closer to head.

9. Movement with a conc. gradient is not consistent with active transport because it is a process which allow transport of molecules against conc. gradient by using energy abd shows competition and saturation also.

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