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All of the following are types of passive transport except
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Carbon atoms can link themselves together into long chains and rings to form a vast number of highly complicated molecules. Which of the following statements BEST explains why carbon atoms behave this way?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles. What type of compound has been formed?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Which best explains why water dissolves most salts?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Why might heating an enzyme slow the rate at which the rate occurs
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
What is the role of ATP in the process of active transport?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
Which group in the periodic table forms ions that have a valence of 1+?
it changes its shape
They easily form covalent bonds with each other.
ionic
Water is polar and salts form ions in solution
endocytosis
ATP is being rapidly consumed near the cellular membrane.
It provides the energy that cells need to move molecules against a concentration gradient.
2
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