Which of the following membrane proteins uses energy in the form of ATP to move molecules across the plasma membrane?
a. passive transporter
b. active transporter
c. receptor protein
d. recognition protein
b
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Exposure to light and the pull of gravity will cause a root to grow downward into the soil
What will be an ideal response?
What is the Golgi body's function in the cell?
a. ATP production b. transport of glucose molecules c. digestion of worn-out cell organelles d. packaging and processing center for macromolecules
One method of maintaining the genetic isolation of a population is the inability of sperm to fertilize eggs of a different species. This is called
A) gametic incompatibility. B) behavioral isolation. C) hybrid inviability. D) ecological isolation. E) temporal isolation.
Organisms introduced as biocontrols for an invasive species can harm native species
Indicate whether the statement is true or false