Biology, 28.12.2019 04:31 mbrisen7420
Mediated transport of polar molecules and ions across the plasma membrane utilizes a/n carrier that will bind to the substance, effecting a conformational change that allows movement across the membrane.
a) protein carrier
b) lipid carrier
c) porin carrier
d) all of the choices are correct
Answers: 3
Biology, 22.06.2019 00:30
What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.
Answers: 2
Biology, 22.06.2019 05:20
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
Biology, 22.06.2019 07:30
Ture or false evidence for evolution includes millions of fossils
Answers: 1
Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
Mediated transport of polar molecules and ions across the plasma membrane utilizes a/n carrier that...
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