Glucose is broken down through cellular respiration, which involves a large number of chemical reactions. At the end of the cellular respiration process, a large number of ATP molecules are generated, but yet, not all of the possible energy that is contained in a molecule of glucose can be harnessed through these chemical reactions to generate ATP. In other words, during cellular respiration, not
all of the energy that is contained in a molecule of glucose is converted into the energy stored in ATP. What happens to the remaining energy?
A. It is destroyed
B. It is used to drive exergonic reactions
C. It is donated to molecules in the cellular respiration process to reduce them
D. It is lost as heat
D
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Which of the following best describes a theory?
A. an experiment that is repeated over and over again B. a tentative explanation of natural phenomena C. a comprehensive explanation of natural phenomena supported by abundant evidence D. a well-known fact
Which of the following responses involves the activation of ion channels?
a. Ras pathway activation of microfilament assembly in neutrophils b. steroid hormone regulation of gene expression c. Ras pathway activation of genes for cell division d. peptide-stimulated assembly of microtubule assembly in neutrophils e. serotonin-stimulated transmission of a neural impulse
The sodium-potassium pump is an example of:
A) active transport. B) receptor-mediated endocytosis. C) passive transport. D) facilitated diffusion.
The type of transport ATPase that are reversibly phosphorylated as part of the transport mechanism are the ________ ATPases.
Fill in the blank(s) with the appropriate word(s).