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Biology

Energy in biological systems is primarilya. electrical b. chemical c. radiantd. mechanical

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter7: Energy And Metabolism

Section: Chapter Questions

Problem 3TYU

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Scientific Notation

We have to deal with quantities that are extremely large or very small. For example- I may have 6,500,000,000 red blood cells, or the diameter of an iron atom is 0.000000011 inches. Numbers with many zeros can be inexpedient to work with, so scientists use scientific notation. It represents very large numbers or very small numbers in a simple form. We know that whole numbers can be extended to infinity, but we cannot write such large numbers on paper. Numbers that present in millions of places after the decimal point need to be represented simply. Thus, it is difficult to represent a few numbers in their extended form. Therefore, we use scientific notation.

Question

Energy in biological systems is primarily
a. electrical

b. chemical

c. radiant
d. mechanical

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When a cell uses energy to organize its cell contents to a greater degree than the organization that exists outside the living cell a. energy has been created b.entropy remain the same c.entropy has decreaced d.entropy has increased
Identify how energy and mass are exchanged aaremong the subsystems.
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Reactions that release free energy area. exergonic.b. spontaneous.c. endergonic.d. endothermic.e. both a and b.
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Wich one of the following is NOT correct for biophysical system? Select one: a. Biophysical systems can neither create nor destroy energy. b. Biophysıcal processes removed from equilibrium will produce an increase in entropy. c. When biophysical systems, including physiological ones, have an increase in energy produced by ordesng the local environment, there must be a greater decrease in energy in the energy of the universe. d. Biophysical systems in living organisms must have a constant input of energy to remain alive