Because cell walls consist of a cross-linked network of long filaments embedded in a stiff surrounding material, they can be called __________.

-spongy bone
-spot-welded sheets
-plasma membranes
-fiber composites


fiber composites

Biology & Microbiology

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Canada geese have become a major source of Giardia and Cryptosporidium contamination of soil and fresh water.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which process will break apart a large substance into smaller molecules?

a. Metabolism b. Hydrolysis c. Development d. Condensation e. Reproduction

Biology & Microbiology

Which of the following are never sink regions

for the pressure-flow translocation of organic compounds? a. growing leaves b. seeds c. fruits d. roots e. mature photosynthesizing leaves

Biology & Microbiology

The nutrient that is in short supply for many people of the world is 

A. protein. B. calories. C. fat. D. water.

Biology & Microbiology