Cilia and flagella ____

a. are found only in cells that are actively moving
b. are found only in sex cells and unicellular organisms
c. use motor proteins to induce movement
d. may also function as receptor sites for certain hormones
e. are found only in unicellular organisms


ANSWER: c

Biology & Microbiology

You might also like to view...

Which of the following is notan example of a regulatory DNA site?

A. enhancer B. insulator C. repressor D. operator

Biology & Microbiology

The cell body of a motor neuron resides in the spinal cord, but it may control muscles a long distance away. In a giraffe, the ________ of a leg motor neuron may be six feet long!  

A.  dendrite B.  soma C.  axon D.  node of Ranvier

Biology & Microbiology

In aquatic systems, which of the following are the

first organisms to disappear when oxygen levels drop? a. stoneflies and mayflies b. carp and goldfish c. Tubifex worms d. ducks and geese e. none of these

Biology & Microbiology

How does the spread of viruses differ between plants and animals?

Viruses must penetrate through cell walls of plant cells and not animal cells. Viruses spread faster in plants than animals because of photosynthesis. Viruses do not spread to plants, only animals. Viruses spread more slowly in plants than animals because of photosynthesis

Biology & Microbiology