Which type of proteins is embedded in the cell membrane in both active transport and facilitated transport?
A. cytoskeletal
B. structural
C. targeted
D. carrier
Answer: D
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There are little birds that spend a great deal of time on the back of a rhinoceros and eat the blood-sucking ticks out of the rhino's ears. The rhino greatly benefits from the relationship, since it cannot remove the ticks itself. The tick-rhino relationship is an example of ________.
A. mutualism B. predator-prey C. commensalism D. parasitism
Place the events associated with each stage of infectious disease in the correct order with regard to time._____Prodromal stage _____Incubation period _____Convalescence _____ Illness period
Fill in the blank(s) with the appropriate word(s).
Most adipose tissue is located
a. just beneath the skin. b. in the abdominal cavity. c. surrounding organs. d. in the digestive tract. e. in all of these locations
The cuticle consists of:
a. cellulose. b. lignin. c. hemicellulose. d. starch. e. cutin