Which plasma membrane component is always found on the exterior surface of cells and allow cells to recognize each other?
a. Carbohydrates
b. Enzymes
c. Cholesterol
d. Glycolipids
a. Carbohydrates
Carbohydrates are always found on the exterior surface of cells and allow cells to recognize each other.
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What will be an ideal response?
Which type of plant hormone appears to play a major role in gravitropism in roots and shoots?
a. salicylic acid b. gibberellins c. abscisic acid d. auxins e. oligosaccharins
How did the researchers in Investigating Life 22.5 conduct their experiment studying "ant plants"?
A. They picked other insects off of some leaves. B. They removed the nectar from some leaves. C. They used drops of glue to exclude tramp ants from some leaves. D. They sprayed some leaves with insecticide. E. They picked the tramp ants off of some leaves.
________ are the nerve cells of the body.
Fill in the blank(s) with the appropriate word(s).