D. Por el uso de tubos de vacio.
Explanation:
To move substances against a concentration or electrochemical gradient, the cell must utilize energy in the form of ATP during active transport. Primary active transport, which is directly dependent on ATP, moves ions across a membrane and creates a difference in charge across that membrane.
I think it would be A. Ohm's law.
hope this helps.
Answer:
system software is the set of computer programs that controls and manage the operations of computer hardware.
Object-oriented programming is a programming model that focuses on an application's components and data and methods the components use.
<h3>What is Object-oriented programming (OOP)?</h3>
This is known to be a form of a programming paradigm that is known to be due to the idea of "objects", that often contain data and code.
Note that, Object-oriented programming is a programming model that focuses on an application's components and data and methods the components use.
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