Which of the following is NOT a feature found in all cells?
A. Proteins
B. Ribosomes
C. Cell wall
D. Cell membrane
Ans: C. Cell wall
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Genetically based characteristics that make organisms more likely to survive and reproduce are referred to as ____
a. acquired characteristics b. adaptive traits c. favored characteristics d. selective traits e. divergent characteristics
Which type of membrane transport is most important for nutrient acquisition in nutrient poor environments?
A. Facilitated diffusion through channel proteins B. Facilitated diffusion through membrane carrier proteins C. Simple diffusion D. Active transport
There is a network of blood vessels covering the surface of the retina through which light must pass to
reach the rods and cones of the eye.
Indicate whether the statement is true or false.Which of the following may result from eating tuna sashimi (raw fish)?
A) botulism B) norovirus infection C) polio D) salmonellosis E) saxitoxin intoxication