Active transport requires the input of energy into a system so as to move solutes against their electrochemical and concentration gradients. Which of the following is not one of the common ways to perform active transport?
What will be an ideal response?
K+-coupled
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________________ is directional growth responses of plants to a unidirectional source of light.
A. Gravitropism B. Thigmotropism C. Dormancy D. Phototropism E. Thermotropism
In social insects like bees and termites, the nonreproducing members of the hive are always ____
a. maturing into their reproductive phase b. past the age of reproduction c. closely related to the queen d. in competition for space and food e. males
The taxon shown here with the greatest number of
named species is a. vertebrates. b. insects. c. mollusks. d. plants. e. fungi.
Secondary succession occurs ____
a. after a fire b. on a new sand dune c. on bare rock d. immediately after the formation of a man-made lake e. on a newly-formed volcanic island