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Which of the following groups contain only molecules that are each assembled from smaller organic compounds?
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
In the body of a human, the types of chemical activities occurring within cells are most dependent on the
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
Which of the following situations indicates that a disruption of homeostasis has taken place?
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
Which statement concerning proteins is not correct?
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
All chemical breakdown processes in cells directly involve
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
All cells of an organism are engaged in many different chemical reactions. This fact is best supported by the presence in each cell of thousands of different kinds of
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
Contractile vacuoles maintain water balance by pumping excess water out of some single-celled pond organisms. In humans, the kidney is chiefly involved in maintaining water balance. These facts best illustrate that
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
The movements indicated by all the arrows are directly involved in
structures found in single-celled organisms can act in a manner similar to tissues and organs in multicellular organisms
biological catalysts present
a rapid rise in the number of red blood cells
reactions that are controlled by catalysts
the maintenance of homeostasis
enzymes
Proteins are bonded together, resulting in simple sugars.
proteins, DNA, fats, starch
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