All populations of all species in a specified area __________
Fill in the blank(s) with the appropriate word(s).
Ans: community
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Cilia and flagella (select all correct choices):
A. are specialized cells that move by rotary motion. B. are specialized organelles that move by rotary motion. C. are specialized organelles that propel some plant, algae, and animal cells. D. contain microfilaments arranged in nine pairs around the periphery and two microfilaments in the center. E. contain microtubules arranged in nine pairs around the periphery and two microfilaments in the center.
Predict which type of channel is associated with ion transport in stereocilia
A. stretch-gated channel B. ligand-gated channel C. voltage-gated channel D. stretch-gated channel and voltage-gated channel
What is the independent variable in this figure?
A. number of children with allergies to dust mites B. amount of interleukin-10 produced C. number of white blood cells in the children's blood D. amount of antibodies in the children's blood E. if children were infected with flatworms
Besides lipid-soluble molecules, what other substances may freely cross the phospholipid bilayers?
a. glucose b. sodium ions c. enzymes d. oxygen